# Elsevier

# European Journal of Operational Research

**Download restrictions:**Full text for ScienceDirect subscribers only

**Editor:**

**Current editor:**Jesus Artalejo

**Current editor:**Jean-Charles. Billaut

**Current editor:**Robert Dyson

**Current editor:**Lorenzo Peccati

**For corrections or technical questions regarding this series, please contact (Dana Niculescu)**

**Series handle:**repec:eee:ejores

**ISSN:**0377-2217

**Citations RSS feed:**at CitEc

### Impact factors

- Simple (last 10 years)
- Recursive (10)
- Discounted (10)
- Recursive discounted (10)
- H-Index (10)
- Euclid (10)
- Aggregate (10)

**Access and download statistics**

**Top item:**

- By citations
- By downloads (last 12 months)

### November 1997, Volume 103, Issue 1

**113-116 A two-machine preemptive openshop scheduling problem: An elementary proof of NP-completeness***by*Gladky, A. A.**117-128 Allocation of warehouse inventory with electronic data interchange and fixed order intervals***by*Ernst, Ricardo & Kamrad, Bardia**129-138 An efficient heuristic for scheduling in a flowshop to minimize total weighted flowtime of jobs***by*Rajendran, Chandrasekharan & Ziegler, Hans**139-154 An evaluation of due date, resource allocation, project release, and activity scheduling rules in a multiproject environment***by*Yang, Kum-Khiong & Sum, Chee-Chuong**155-169 Multifleet routing and multistop flight scheduling for schedule perturbation***by*Yan, Shangyao & Tu, Yu-ping**170-185 Relative risk--value models***by*Dyer, James S. & Jianmin Jia**186-197 Handling missing prices in a thinly traded stock market: implications for the specification of event study methods***by*Kallunki, Juha-Pekka**198-208 A tabu search Hooke and Jeeves algorithm for unconstrained optimization***by*Al-Sultan, K. S. & Al-Fawzan, M. A.**209-229 Exact algorithms for the stochastic shortest path problem with a decreasing deadline utility function***by*Murthy, Ishwar & Sarkar, Sumit**230-241 Investigation of path-following algorithms for signomial geometric programming problems***by*Yang, Hsu-Hao & Bricker, Dennis L.**242-254 An analysis of the impact of chaotic dynamics on management information flow models***by*Riggle, Charlene & Madey, Gregory**255-272 Models for 1-out-of Q systems with stochastic lead times and expedited ordering options for spares inventory***by*Dohi, Tadashi & Shibuya, Takeshi & Osaki, Shunji

### November 1997, Volume 102, Issue 3

**405-417 Integrated assessment models for acid rain***by*Hordijk, Leen & Kroeze, Carolien**418-431 Demand estimation with failure and capacity constraints: An application to prisons***by*Lattimore, Pamela K. & Baker, Joanna R.**432-444 Integration of price-depending demand reactions in an optimising energy emission model for the development of CO2-mitigation strategies***by*Wietschel, M. & Fichtner, W. & Rentz, O.**445-454 On the interaction between indirect cost allocations and the firm's objectives***by*Arcelus, F. J. & Bhadury, J. & Srinivasan, G.**455-472 Computer aided decision support system for water strategic planning in Jordan***by*Al-Shemmeri, Tarik & Al-Kloub, Bashar & Pearman, Alan**473-487 A neural network approach to the vessel dispatching problem***by*Vukadinovic, Katarina & Teodorovic, Dusan & Pavkovic, Goran**488-501 Designing paced assembly lines with fixed number of stations***by*Fatih Ugurdag, H. & Rachamadugu, Ram & Papachristou, Christos A.**502-512 One-machine job-scheduling with non-constant capacity -- Minimizing weighted completion times***by*Amaddeo, H. F. & Nawijn, W. M. & van Harten, A.**513-527 A neighbourhood scheme with a compressed solution space for the early/tardy scheduling problem***by*James, R. J. W. & Buchanan, J. T.**528-537 Heuristics for unrelated machine scheduling with precedence constraints***by*Herrmann, Jeffrey & Proth, Jean-Marie & Sauer, Nathalie**538-553 A Monte Carlo investigation of incomplete pairwise comparison matrices in AHP***by*Carmone, Frank J. & Kara, Ali & Zanakis, Stelios H.**554-574 A procedure for optimizing tactical response in oil spill clean up operations***by*Srinivasa, Anand V. & Wilhelm, Wilbert E.**575-600 Bank asset and liability management under uncertainty***by*Oguzsoy, Cemal Berk & Guven, Sibel**601-610 A reference direction approach to multiple objective quadratic-linear programming***by*Korhonen, Pekka & Yu, GuangYuan**611-625 Lagrangian heuristics for the two-echelon, single-source, capacitated facility location problem***by*Tragantalerngsak, Suda & Holt, John & Ronnqvist, Mikael**626-647 A constrained nonlinear 0-1 program for data allocation***by*Sarathy, Rathindra & Shetty, Bala & Sen, Arun**648-656 Fuzzy sharing problem by possibility measure***by*Itoh, Takeshi & Ishii, Hiroaki**657-666 On the convergence of the block principal pivotal algorithm for the LCP***by*Takriti, Samer & Murty, Katta G.

### October 1997, Volume 102, Issue 2

**247-666 Fourteenth EURO Summer Institute: Environmental planning***by*Pappis, Costas**248-263 Operations research and environmental planning***by*Daniel, S. E. & Diakoulaki, D. C. & Pappis, C. P.**264-278 Production planning and inventory control with remanufacturing and disposal***by*van der Laan, Erwin & Salomon, Marc**279-294 How to benefit from decision analysis in environmental life cycle assessment (LCA)***by*Miettinen, Pauli & Hamalainen, Raimo P.**295-301 Semi-obnoxious location models: A global optimization approach***by*Romero-Morales, Dolores & Carrizosa, Emilio & Conde, Eduardo**302-319 The obnoxious p facility network location problem with facility interaction***by*Welch, S. B. & Salhi, S.**320-334 A decisional procedure for water resources planning taking into account water quality constraints***by*Avogadro, E. & Minciardi, R. & Paolucci, M.**335-346 Collaborative environmental planning with GeoMed***by*Karacapilidis, Nikos & Papadias, Dimitris & Gordon, Thomas & Voss, Hans**347-363 An interactive decision-making approach based on intelligent systems to redraw district boundaries in regional planning***by*Moualek, Idir**364-379 Multicriteria analysis vs. externalities assessment for the comparative evaluation of electricity generation systems***by*Mirasgedis, S. & Diakoulaki, D.**380-392 A model for long-term global air quality prediction and development of efficient control strategies in Turkey***by*Kumbaroglu, Gurkan S.**393-403 Solving an equilibrium model for trade of CO2 emission permits***by*Bueler, Benno

### October 1997, Volume 102, Issue 1

**1-20 Repairable inventory theory: Models and applications***by*Guide, V. Daniel R. & Srivastava, Rajesh**21-35 Aircrew schedule generation using repeated matching***by*Wark, Peter & Holt, John & Ronnqvist, Mikael & Ryan, David**36-57 Purchasing demand information in a stochastic-demand inventory system***by*DeCroix, Gregory A. & Mookerjee, Vijay S.**58-72 Joint planning of combined heat and power and electric power systems: An efficient model formulation***by*Gardner, Douglas T. & Scott Rogers, J.**73-87 Scheduling installations in the telecommunications industry***by*Shade, J. J. & Orman, A. J.**88-110 Project scheduling under resource and mode identity constraints: Model, complexity, methods, and application***by*Salewski, Frank & Schirmer, Andreas & Drexl, Andreas**111-123 Single machine scheduling when processing times are correlated normal random variables***by*Boys, R. J. & Glazebrook, K. D. & McCrone, C. M.**124-141 Inclusion of flexibility benefits in discounted cash flow analyses for investment evaluation: A simulation/optimization model***by*Ramasesh, Ranga V. & Jayakumar, Maliyakal D.**142-156 A hybrid two-stage flowshop with part family, batch production, major and minor set-ups***by*Li, Shanling**157-175 Estimating the Held-Karp lower bound for the geometric TSP***by*Valenzuela, Christine L. & Jones, Antonia J.**176-192 On the analytic representation of the Leximin ordering and its application to flexible constraint propagation***by*Yager, Ronald R.**193-214 Distribution requirements and compactness constraints in school timetabling***by*Drexl, Andreas & Salewski, Frank**215-226 Introduction to a new weighting method -- Hierarchy consistency analysis***by*Guh, Yuh-Yuan**227-241 Waiting times of a finite-capacity multi-server model with non-preemptive priorities***by*Wagner, Dietmar**242-243 DECOPOL -- Codes for decomposing a polygon into convex subpolygons***by*Fernandez, J. & Canovas, L. & Pelegrin, B.

### September 1997, Volume 101, Issue 3

**419-429 Supply chain partnerships: Opportunities for operations research***by*Maloni, Michael J. & Benton, W.C.**430-441 Spatial organization of an industrial area: Distribution of the environmental cost and equity policies***by*Karkazis, John & Boffey, Brian**442-451 Multicriteria decision analysis in a decision tree***by*Lootsma, Freerk A.**452-462 A framework for decision support systems for scheduling problems***by*Ecker, Klaus & Gupta, Jatinder N.D. & Schmidt, Gunter**463-473 The teacher assignment problem: A special case of the fixed charge transportation problem***by*Hultberg, Tim H. & Cardoso, Domingos M.**474-485 Lead time and response time in a pull production control system***by*Kim, Ilhyung & Tang, Christopher S.**486-498 Robust autoregressive estimates using quadratic programming***by*Zioutas, G. & Camarinopoulos, L. & Senta, E. Bora**499-508 A dynamic programming heuristic for the P-median problem***by*Hribar, Michelle & Daskin, Mark S.**509-518 Direct shipping and the dynamic single-depot/multi-retailer inventory system***by*Barnes-Schuster, Dawn & Bassok, Yehuda**519-531 A multi-product loading problem: a model and solution method***by*Yuceer, Umit**532-549 Supply rationing in multi-echelon divergent systems***by*van der Heijden, M.C.**550-559 Setting the length of the planning horizon in the vehicle replacement problem***by*de Sousa, Jorge Freire & Guimaraes, Rui Campos**560-576 Variance of the throughput of an N-station production line with no intermediate buffers and time dependent failures***by*Tan, Baris**577-587 Using an interior point method for the master problem in a decomposition approach***by*Gondzio, J. & Sarkissian, R. & Vial, J.-P.**588-597 Rendezvous search on the line with bounded resources: expected time minimization***by*Alpern, Steve & Beck, Anatole**598-608 Facets for node packing***by*Murray, Alan T. & Church, Richard L.

### September 1997, Volume 101, Issue 2

**229-229 Thirteenth EURO Summer Institute: Stochastic Optimization***by*Pflug, G. Ch. & Ruszczynski, A.**230-244 On nonsmooth and discontinuous problems of stochastic systems optimization***by*Ermoliev, Yuri M. & Norkin, Vladimir I.**245-260 Optimal allocation of simulation experiments in discrete stochastic optimization and approximative algorithms***by*Futschik, A. & Pflug, G. Ch.**261-284 Stochastic gradient algorithm with random truncations***by*Tadic, Vladislav**285-305 Estimated stochastic programs with chance constraints***by*Growe, Nicole**306-316 A cutting-plane approach to mixed 0-1 stochastic integer programs***by*Caroe, Claus C. & Tind, Jorgen**317-327 The augmented system variant of IPMs in two-stage stochastic linear programming computation***by*Meszaros, Csaba**328-342 Accelerating the regularized decomposition method for two stage stochastic linear problems***by*Ruszczynski, Andrzej & Swietanowski, Artur**343-359 Modelling and analysis of multistage stochastic programming problems: A software environment***by*Messina, E. & Mitra, G.**360-373 Stochastic optimization on Bayesian nets***by*Archetti, F. & Gaivoronski, A. & Stella, F.**374-392 Discretized reality and spurious profits in stochastic programming models for asset/liability management***by*Klaassen, Pieter**393-405 Fast simulation of blocking probabilities in loss networks***by*Mandjes, Michel**406-417 An applied study on recursive estimation methods, neural networks and forecasting***by*Teixeira, Joao C. & Rodrigues, Antonio J.

### August 1997, Volume 101, Issue 1

**1-14 A state space condition monitoring model for furnace erosion prediction and replacement***by*Christer, A. H. & Wang, W. & Sharp, J. M.**15-28 Sensitivity analysis in linear programming: just be careful!***by*Jansen, B. & de Jong, J. J. & Roos, C. & Terlaky, T.**29-38 The balanced linear programming problem***by*Ahuja, Ravindra K.**39-50 Rank-based statistical procedures in analytic hierarchy process***by*Basak, Indrani**51-64 Equivalences between Data Envelopment Analysis and the theory of redundancy in linear systems***by*Dula, J. H.**65-73 Response surface methodology: A neural network approach***by*Farooq Anjum, M. & Tasadduq, Imran & Al-Sultan, Khaled**74-80 Greedy sets and related problems***by*Girlich, Eberhard & Kovalev, Michail M. & Vasilkov, Dmitri M.**81-92 Computational experience with approximation algorithms for the set covering problem***by*Grossman, Tal & Wool, Avishai**93-103 A branch-and-bound algorithm for the mini-max spanning forest problem***by*Yamada, Takeo & Takahashi, Hideo & Kataoka, Seiji**104-121 An enumerative algorithm framework for a class of nonlinear integer programming problems***by*Djerdjour, Mohamed**122-129 Second order symmetric duality for nonlinear minimax mixed integer programs***by*Gulati, T. R. & Ahmad, Izhar**130-139 A contraction algorithm for the multiparametric integer linear programming problem***by*Crema, Alejandro**140-154 A simple SLP algorithm for solving a class of nonlinear programs***by*Sarker, Ruhul A. & Gunn, Eldon A.**155-163 A new penalty function algorithm for convex quadratic programming***by*Ben-Daya, M. & Al-Sultan, K. S.**164-176 The most-obtuse-angle row pivot rule for achieving dual feasibility: A computational study***by*Pan, Ping-Qi**177-192 Stochastic linear programs with restricted recourse***by*Vladimirou, Hercules & Zenios, Stavros A.**193-203 Modelling stochastic decision systems using dependent-chance programming***by*Liu, Baoding & Iwamura, Kakuzo**204-219 Decomposition of the fuzzy parametric space in multiobjective nonlinear programming problems***by*Kassem, Mohamed Abd El-Hady**220-223 A note on a global approach for general 0-1 fractional programming***by*Wu, Tai-Hsi**224-225 OR software -- ORSEP Operations Research Software Exchange Program Edited by Professor H.W. Hamacher GP -- A C language implementation of genetic programming***by*Pollatschek, M. A.

### August 1997, Volume 100, Issue 3

**399-412 The mixed and multi model line balancing problem: a comparison***by*van Zante-de Fokkert, Jannet I. & de Kok, Ton G.**413-428 Optimal production cycles, procurement schedules, and joint investment in an imperfect production system***by*Hong, Jae-Dong**429-440 On the use of the asymptotic forms of the boolean matrix for designing cellular manufacturing systems -- An improved approach***by*Nair, G. Jayakrishnan & Narendran, T. T.**441-453 A global MILP model for FMS scheduling***by*Liu, Jiyin & MacCarthy, B. L.**454-463 On a pattern sequencing problem to minimize the maximum number of open stacks***by*Yanasse, Horacio Hideki**464-474 Scheduling jobs on parallel machines with sequence-dependent setup times***by*Lee, Young Hoon & Pinedo, Michael**475-481 Real time task scheduling allowing fuzzy due dates***by*Litoiu, Marin & Tadei, Roberto**482-493 Robust economic order quantity models***by*Yu, Gang**494-513 Solving the discrete lotsizing and scheduling problem with sequence dependent set-up costs and set-up times using the Travelling Salesman Problem with time windows***by*Salomon, Marc & Solomon, Marius M. & Van Wassenhove, Luk N. & Dumas, Yvan & Dauzere-Peres, Stephane**514-536 A dynamic lot sizing model with exponential machine breakdowns***by*Kuhn, Heinrich**537-549 Dynamic lot-sizing with setup cost reduction***by*Denizel, Meltem & Erenguc, Selcuk & Benson, Harold P.**550-556 An optimal (Q,r) policy for a multipart assembly system under stochastic part procurement lead times***by*Fujiwara, Okitsugu & Sedarage, Dayani**557-561 Simple formulas for the expected costs in the newsboy problem: An educational note***by*Hon-Shiang Lau**562-565 The single-item newsboy problem with dual performance measures and quantity discounts***by*Lin, Chen-Sin & Kroll, Dennis E.**566-585 On the lexicographic minimax approach to location problems***by*Ogryczak, Wlodzimierz**586-593 An adaptation of SH heuristic to the location set covering problem***by*Alminana, Marcos & Pastor, Jesus T.**594-607 Generalized p-Center problems: Complexity results and approximation algorithms***by*Hochbaum, Dorit S. & Pathria, Anu**608-616 A bi-objective uncapacitated facility location problem***by*Myung, Young-Soo & Kim, Hu-gon & Tcha, Dong-wan**617-622 A linear program for the two-hub location problem***by*Sohn, Jinhyeon & Park, Sungsoo**623-628 The splitting of variables and constraints in the formulation of integer programming models***by*Williams, H. P. & Brailsford, S. C.**629-637 Scaling units via the canonical correlation analysis in the DEA context***by*Friedman, Lea & Sinuany-Stern, Zilla**638-641 A response to "A comment on 'Grey integer programming: An application to waste management planning under uncertainty"' by Larry Jenkins***by*Huang, G. H. & Baetz, B. W. & Patry, G. G.

### July 1997, Volume 100, Issue 2

**251-252 Models and methods for an integrated design of products and processes***by*Eversheim, Walter**253-265 Information management for concurrent engineering***by*Eversheim, Walter & Roggatz, Axel & Zimmermann, Hans-Jurgen & Derichs, Thomas**266-276 A flexible concept for decision support: Evaluation and selection of suitable product development activities***by*Ahn, H. & Dyckhoff, H.**277-292 A methodology for the reduction of imprecision in the engineering process***by*Giachetti, Ronald E. & Young, Robert E. & Roggatz, Axel & Eversheim, Walter & Perrone, Giovanni**293-314 The implementation of simultaneous engineering in the stage of product concept development: A process orientated improvement of quality function deployment***by*Schmidt, Ralf**315-326 Intelligent systems for engineering design and configuration problems***by*Muller, K. & Sebastian, H. -J.**327-337 Simultaneous engineering approach to an integrated design and process planning***by*Eversheim, W. & Bochtler, W. & Gra[beta]ler, R. & Kolscheid, W.**338-350 Feature based feedback into the early stages of design***by*Durr, H. & Schramm, M.**351-366 Evaluating alternative production cycles using the extended fuzzy AHP method***by*Weck, M. & Klocke, F. & Schell, H. & Ruenauver, E.**367-378 Potentials and procedure for the integrated planning of production technologies in the early phases of product development***by*Eversheim, W. & Klocke, F. & Schmitz, W. & Brandenburg, F. & Winands, N.**379-398 Concurrent engineering of work and production systems***by*Stahl, Juergen & Luczak, Holger & Langen, Rene & Weck, Manfred & Klonaris, Pavlos & Pfeifer, Tilo

### July 1997, Volume 100, Issue 1

**1-15 Prediction of company acquisition in Greece by means of the rough set approach***by*Slowinski, R. & Zopounidis, C. & Dimitras, A. I.**16-26 Evaluating foreign investment environment in China: A systematic approach***by*Deng, Shengliang & Li, Yuan & Chen, Jinxian**27-40 Portfolio optimization with a neural network implementation of the coherent market hypothesis***by*Steiner, Manfred & Wittkemper, Hans-Georg**41-59 Currency option pricing with mean reversion and uncovered interest parity: A revision of the Garman-Kohlhagen model***by*Ekvall, Niklas & Peter Jennergren, L. & Naslund, Bertil**60-71 The confounding effects of distribution mixtures on some basic methods for handling stable-Paretian distributions***by*Lau, Hon-Shiang & Lau, Amy Hing Ling**72-80 Using the analytic hierarchy process and multi-objective programming for the selection of cost drivers in activity-based costing***by*Schniederjans, Marc J. & Garvin, Tim**81-96 Cost models in nonhomogeneous Markov systems***by*Georgiou, A. C. & Vassiliou, P. -C. G.**97-121 Project network models with discounted cash flows a guided tour through recent developments***by*Herroelen, Willy S. & Van Dommelen, Patrick & Demeulemeester, Erik L.**122-133 Critical path in an activity network with time constraints***by*Chen, Yen-Liang & Rinks, Dan & Tang, Kwei**134-141 A genetic algorithm for multi-mode resource constrained project scheduling problem***by*Mori, Masao & Tseng, Ching Chih**142-169 Process planning in a fuzzy environment***by*Liu, Ming Long & Sahinidis, Nikolaos V.**170-179 Finite-capacity scheduling-based planning for revenue-based capacity management***by*Akkan, Can**180-191 A tabu search algorithm for the multi-trip vehicle routing and scheduling problem***by*Brandao, Jose & Mercer, Alan**192-215 Complex dynamics and control of arms race***by*Behrens, D. A. & Feichtinger, G. & Prskawetz, A.**216-224 A simulation approach to reliability analysis of weapon systems***by*Yanez, J. & Ortuno, T. & Vitoriano, B.**225-235 Stochastic modelling of combat with reinforcement***by*Jaiswal, N. K. & Sangeeta, Y. & Gaur, S. C.**236-249 Optimal strategy of route and look for the path constrained search problem with reward criterion***by*Hohzaki, Ryusuke & Iida, Koji

### June 1997, Volume 99, Issue 3

**491-492 Eleventh EURO Summer Institute: Operational research models in maintenance***by*Van der Duyn Schouten, Frank A. & Scarf, Philip A.**493-506 On the application of mathematical models in maintenance***by*Scarf, Philip A.**507-515 Maintenance scheduling under age replacement policy using proportional hazards model and TTT-plotting***by*Kumar, Dhananjay & Westberg, Ulf**516-529 Subjective estimation of the delay time distribution in maintenance modelling***by*Wang, W.**530-551 A dynamic policy for grouping maintenance activities***by*Wildeman, R. E. & Dekker, R. & Smit, A. C. J. M.**552-564 Optimal clustering of frequency-constrained maintenance jobs with shared set-ups***by*van Dijkhuizen, Gerhard & van Harten, Aart**565-583 Preventive maintenance in a 1 out of n system: The uptime, downtime and costs***by*Smith, M. A. J. & Dekker, R.**584-595 Optimization of multi-echelon repairable item inventory systems with simultaneous location of repair facilities***by*Alfredsson, Patrik**596-602 Target setting for the departments in an aircraft repairable item system***by*de Haas, Harrie F. M. & Verrijdt, Jos H. C. M.**603-618 Maintenance manpower modelling for a hospital building complex***by*Al-Zubaidi, Hassan & Christer, A. H.**619-631 O.R. modelling of the deterioration and maintenance of concrete structures***by*Redmond, D. F. & Christer, A. H. & Rigden, S. R. & Burley, E. & Tajelli, A. & Abu-Tair, A.

### June 1997, Volume 99, Issue 2

**221-235 Lot sizing and scheduling -- Survey and extensions***by*Drexl, A. & Kimms, A.**236-240 A multi-criteria evaluation of diseases in a study for public-health planning***by*van Gennip, C.E.G. & Hulshof, J.A.M. & Lootsma, F.A.**241-247 Play theatre a new way to teach O.R***by*Pierre Brans, J. & Macharis, Cathy**248-255 Automation, AI and OR: in search of the synergy and publication priorities***by*Liberatore, Matthew J.**256-266 Asymmetric information A laboratory experimental analysis***by*Marsden, James R. & Alex Tung, Y.**267-277 A generic model for simulating office process flows***by*Davies, M.N.**278-288 The role of weights in multi-criteria decision aid, and the ranking of water projects in Jordan***by*Al-Kloub, Bashar & Al-Shemmeri, Tarik & Pearman, Alan**289-302 A fuzzy multi-objective programming approach for optimal management of the reservoir watershed***by*Chang, Ni-Bin & Wen, C.G. & Chen, Y.L.**303-321 A fuzzy goal programming approach for the optimal planning of metropolitan solid waste management systems***by*Chang, Ni-Bin & Wang, S.F.**322-335 Optimization of a non-linear dynamical system for global climate change***by*Janssen, Marco A.**336-352 Optimal input substitution of a firm facing an environmental constraint***by*Hartl, Richard F. & Kort, Peter M.**353-365 Process mean determination under constant raw material supply***by*Roan, Jinshyang & Gong, Linguo & Tang, Kwei**366-385 Continuous-review inventory problem with random supply interruptions***by*Parlar, Mahmut**386-400 A two-echelon allocation model and the value of information under correlated forecasts and demands***by*Gullu, Refik**401-411 Evaluation of (R,Q)-policies for two-level inventory systems with generally distributed customer inter-arrival times***by*Forsberg, Rolf**412-424 An optimal ordering and issuing policy for a two-stage inventory system for perishable products***by*Fujiwara, Okitsugu & Soewandi, Hanijanto & Sedarage, Dayani**425-432 A fuzzy EOQ model with demand-dependent unit cost under limited storage capacity***by*Roy, T.K. & Maiti, M.**433-444 An efficient optimal solution method for the joint replenishment problem***by*Wildeman, R.E. & Frenk, J.B.G. & Dekker, R.**445-458 On the concavity of delivery games***by*Hamers, Herbert**459-462 A reduction algorithm for integer multiple objective linear programs***by*Schweigert, D. & Neumayer, P.**463-476 Why queuing never vanishes***by*van Dijk, Nico M.**477-490 Developing an integrated model of an aluminium smelter incorporating sub-models with different time bases and levels of aggregation***by*Nicholls, Miles G.

### May 1997, Volume 99, Issue 1

**1-2 Research reviews and tutorials: EURO XIV feature issue***by*Slowinski, Roman & Sinuany-Stern, Zilia**3-25 Artificial intelligence and human decision making***by*Pomerol, Jean-Charles**26-27 An overview on "The European school of MCDA: Emergence, basic features and current works"***by*Roy, Bernard & Vanderpooten, Daniel**28-37 Multicriteria decision analysis: Some thoughts based on the tutorial and discussion sessions of the ESIGMA meetings***by*Bana E Costa, Carlos A. & Stewart, Theodor J. & Vansnick, Jean-Claude**38-47 The interface between OR/MS and decision theory***by*Mehrez, Abraham**48-57 Rough set approach to knowledge-based decision support***by*Pawlak, Zdzislaw**58-71 After the fuzzy wave reached Europe***by*Hellendoorn, Hans**72-88 Measures of inefficiency in data envelopment analysis and stochastic frontier estimation***by*Cooper, W. W. & Tone, K.**89-112 Optimization of computer simulation models with rare events***by*Rubinstein, Reuven Y.**113-125 Financial modelling: Where to go? With an illustration for portfolio management***by*Spronk, Jaap & Hallerbach, Winfried**126-135 A hybrid simulation/optimisation scenario model for asset/liability management***by*Boender, Guus C. E.