# 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)
- Aggregate (10)

**Access and download statistics**

**Top item:**

- By citations
- By downloads (last 12 months)

### August 1996, Volume 92, Issue 3

**512-527 Fuzzy linear programming and applications***by*Rommelfanger, Heinrich**528-536 Non-traditional methods of forecasting***by*Bunn, Derek W.**537-549 Value-focused thinking: Identifying decision opportunities and creating alternatives***by*Keeney, Ralph L.**550-572 New operations research and artificial intelligence approaches to traffic engineering problems***by*Bielli, Maurizio & Reverberi, Pierfrancesco**573-590 Parallel processing for difficult combinatorial optimization problems***by*Roucairol, Catherine**591-592 The EURO gold medal 1994***by*Carlsson, Christer**593-602 The space of freedom of the decision maker modelling the human brain***by*Brans, Jean-Pierre**603-614 Rationality, emotion and preference change Drama-theoretic models of choice***by*Bennett, Peter & Howard, Nigel**615-627 An empirical application of the information-structures model: The postal authority case***by*Carmi, Nava & Ronen, Boaz**628-636 A fuzzy-linguistic approach to a multi-criteria sequencing problem***by*Adamopoulos, George I. & Pappis, Costas P.**637-648 Fuzzy part coding for group technology***by*Ben-Arieh, D. & Lee, S. E. & Chang, P. T.**649-662 Markov-type fuzzy decision processes with a discounted reward on a closed interval***by*Kurano, Masami & Yasuda, Masami & Nakagami, Jun-ichi & Yoshida, Yuji

### July 1996, Volume 92, Issue 2

**219-238 A classification of literature on determining the lot size under quantity discounts***by*Benton, W. C. & Park, Seungwook**239-253 Exploiting timely demand information to reduce inventories***by*Bourland, Karla E. & Powell, Stephen G. & Pyke, David F.**254-265 Estimating the demand distributions of single-period items having frequent stockouts***by*Lau, Hon-Shiang & Hing-Ling Lau, Amy**266-280 Economic replenishment strategies for announced price increases***by*Tersine, Richard J.**281-301 Production strategies for a stochastic lot-sizing problem with constant capacity***by*Dellaert, N. P. & Melo, M. T.**302-309 A production lot size inventory model for deteriorating items and arbitrary production and demand rates***by*Balkhi, Zaid T. & Benkherouf, Lakdere**310-325 Linear programming for the 0-1 quadratic knapsack problem***by*Billionnet, Alain & Calmels, Frederic**326-341 Lagrangean methods for the 0-1 Quadratic Knapsack Problem***by*Michelon, Philippe & Veilleux, Louis**342-351 Integer-friendly formulations for the r-separation problem***by*Erkut, E. & ReVelle, C. & Ulkusal, Y.**352-367 A new procedure for identifying the frame of the convex hull of a finite collection of points in multidimensional space***by*Dula, J. H. & Helgason, R. V.**368-386 Containment of a single polygon using mathematical programming***by*Grinde, Roger B. & Cavalier, Tom M.**387-401 The use of dynamic programming in genetic algorithms for permutation problems***by*Yagiura, Mutsunori & Ibaraki, Toshihide**402-416 Optimizing simulated annealing schedules with genetic programming***by*Bolte, Andreas & Thonemann, Ulrich Wilhelm**417-434 Fuzzy versus statistical linear regression***by*Kim, Kwang Jae & Moskowitz, Herbert & Koksalan, Murat

### July 1996, Volume 92, Issue 1

**1-27 Queueing theory in manufacturing systems analysis and design: A classification of models for production and transfer lines***by*Papadopoulos, H. T. & Heavey, C.**28-36 Finding robust solutions for product design problems***by*Hendrix, Eligius M. T. & Mecking, Carmen J. & Hendriks, Theo H. B.**37-53 An implementation of linear and nonlinear multicommodity network flows***by*Castro, J. & Nabona, N.**54-62 Application of multidimensional scaling techniques to facilities layout***by*Hossein Safizadeh, M. & McKenna, David R.**63-68 Optimal solutions for the machining economics problem with stochastically distributed tool lives***by*Iakovou, Eleftherios & Ip, Chi M. & Koulamas, Christos**69-82 A model for a Mixed Continuous-Periodic Review One-Warehouse, N-Retailer inventory system***by*Ahire, Sanjay L. & Schmidt, Charles P.**83-98 On managing operating capacity to reduce congestion in service systems***by*So, Kut C. & Tang, Christopher S.**99-111 Analysis of an open tandem queueing network with population constraint and constant service times 1***by*Rhee, Young & Perros, Harry G.**112-124 Analyzing EkErc queues***by*Adan, I. J. B. F. & van de Waarsenburg, W. A. & Wessels, J.**125-134 Analysis of M/G/1 queues with delayed vacations and exhaustive service discipline***by*Li, Huan & Zhu, Yixin**135-147 Selecting the best choice in the weighted secretary problem***by*Hak Chun, Young**148-156 Structural approach to parametric analysis of an IP on the case of the right-hand side***by*Wang, Hsiao-Fan & Horng, Jyh-Shing**157-165 Linear fractional goal programming in consideration of fuzzy solution***by*Ohta, Hideichi & Yamaguchi, Toshikazu**166-181 Analytic efficient solution set for multi-criteria quadratic programs***by*Goh, C. J. & Yang, X. Q.**182-192 Binary interactions and subset choice***by*Fishburn, Peter C. & LaValle, Irving H.**193-210 Mathematical model and method of searching for a local extremum for the non-convex oriented polygons allocation problem***by*Stoyan, Yu. G. & Novozhilova, M. V. & Kartashov, A. V.**211-213 A tight lower bound for the completion time variance problem***by*Ng, C. T. & Cai, X. & Cheng, T. C. E.**214-216 An addendum to the hierarchical network design problem***by*Duin, C. W. & Volgenant, A.

### June 1996, Volume 91, Issue 3

**427-439 Mathematical models of service***by*Rust, Roland T. & Metters, Richard**440-455 Service level approximations for multiechelon inventory systems***by*Chew, E. P. & Johnson, L. A.**456-470 A forward branch-and-search algorithm and forecast horizon results for the changeover scheduling problem***by*Blocher, James D. & Chand, Suresh**471-480 The complexity of a cyclic scheduling problem with identical machines and precedence constraints***by*Munier, A.**481-494 An analytic formula for the mean throughput of K-station production lines with no intermediate buffers***by*Papadopoulos, Hrissoleon T.**495-506 Locating flow-capturing units on a network with multi-counting and diminishing returns to scale***by*Averbakh, Igor & Berman, Oded**507-516 Postoptimizing equilibrium flows on large scale networks***by*Nguyen, S. & Pallottino, S. & Inaudi, D.**517-527 Optimal lot-sizing in an imperfect production system with homogeneous reworkable jobs***by*Liu, John J. & Yang, Ping**528-542 Joint price and lot size determination under conditions of permissible delay in payments and quantity discounts for freight cost***by*Seong Whan Shinn & Hwang, Hark & Sung, Soo Park**543-552 The solution of two-stage guillotine cutting stock problems having extremely varying order demands***by*Riehme, Jan & Scheithauer, Guntram & Terno, Johannes**553-564 A recursive exact algorithm for weighted two-dimensional cutting***by*Hifi, M. & Zissimopoulos, V.**565-572 A heuristic algorithm for the mini-max spanning forest problem***by*Yamada, Takeo & Takahashi, Hideo & Kataoka, Seiji**573-586 A new subtour elimination constraint for the vehicle routing problem***by*Achuthan, N. R. & Caccetta, L. & Hill, S. P.**587-599 Price-directive decomposition applied to routing in telecommunication networks***by*Ayllon, Fatima G. & Galan, Jorge & Marin, Angel & Menendez, Angel**600-610 Relaxation heuristics for a generalized assignment problem***by*Lorena, Luiz Antonio N. & Narciso, Marcelo G.**611-618 Geometric three-dimensional assignment problems***by*Spieksma, Frits C. R. & Woeginger, Gerhard J.**619-622 A polynomially solvable class of quadratic semi-assignment problems***by*Malucelli, Federico**623-633 Partially-linear transportation problems***by*Dangalchev, Chavdar Atanasov**634-639 On the dual of linear inverse problems***by*Kas, Peter & Klafszky, Emil

### June 1996, Volume 91, Issue 2

**211-213 The virtual reality of financial-economic decision making***by*Castagnoli, Erio & Spronk, Jaap**214-228 A lattice approach for pricing of multivariate contingent claims***by*Ekvall, Niklas**229-234 A class of options with stochastic lives and an extension of the Black-Scholes formula***by*Jennergren, L. Peter & Naslund, Bertil**235-249 Fixed income linked life insurance policies with minimum guarantees: Pricing models and numerical results***by*Bacinello, Anna Rita & Ortu, Fulvio**250-263 Transaction costs and efficiency of portfolio strategies***by*Pelsser, Antoon & Vorst, Ton**264-273 Robust optimization models for managing callable bond portfolios***by*Vassiadou-Zeniou, Christiana & Zenios, Stavros A.**274-283 Managing a value-preserving portfolio over time***by*Wiesemann, Thomas**284-300 Speculative dynamics with bounded rationality learning***by*Barucci, Emilio & Landi, Leonardo**301-305 Imitation and stability in a stock market***by*Cenci, Marisa & Cerquetti, Annamaria & Peccati, Lorenzo**306-314 The quality of bank forecasts: The dollar-pound exchange rate, 1990-1993***by*Pollock, Andrew C. & Wilkie, Mary E.**315-329 Evaluating leases with complex operating options***by*Trigeorgis, Lenos**330-337 Restyling of fees in consumers credit and their optimization***by*Battaglio, Claudia & Longo, Giovanni & Peccati, Lorenzo**338-345 Credit risk exposure with interest and currency swaps***by*Coppes, Robert Christophor & Stokking, Evert Jan**347-366 On the use of the complexity index as a measure of complexity in activity networks***by*De Reyck, Bert & Herroelen, Willy**367-385 Maximizing the production rate in simple assembly line balancing -- A branch and bound procedure***by*Klein, Robert & Scholl, Armin**386-394 Capacity planning in manufacturing and computer networks***by*Bretthauer, Kurt M.**395-410 A heuristic approach for capacity expansion of packet networks***by*Dutta, Amitava & Ki Kim, Young**411-426 Optimal allocation and backup of computer resources under asymmetric information and incentive incompatibility***by*Cheng, Hsing K. & Freimer, Marshall & Richmond, William B. & Sumita, Ushio

### May 1996, Volume 91, Issue 1

**1-13 Perturbation analysis of discrete event systems: Concepts, algorithms, and applications***by*Cao, Xi-Ren**14-26 Visual interactive modelling: A pictorial simulation specification system***by*Au, Grace & Paul, Ray J.**27-37 The Analytic Hierarchy Process in an uncertain environment: A simulation approach***by*Hauser, David & Tadikamalla, Pandu**38-55 Dynamic control charts for finite production runs***by*Tagaras, George**56-73 Modeling and analysis of machine sharing in manufacturing systems***by*Benjaafar, Saifallah**74-88 Joint replacement in an operational planning phase***by*Dekker, R. & Wildeman, R. E. & van Egmond, R.**89-98 Alternate approaches to solving the Holt et al. model and to performing sensitivity analysis***by*Singhal, Jaya & Singhal, Kalyan**99-117 An exchange heuristic imbedded with simulated annealing for due-dates job-shop scheduling***by*He, Zesheng & Yang, Taeyong & Tiger, Andy**118-123 V-shape property for job sequences that minimize the expected completion time variance***by*Cai, X.**124-143 Search heuristics for a flowshop scheduling problem in a printed circuit board assembly process***by*Kim, Yeong-Dae & Lim, Hyeong-Gyu & Park, Moon-Won**144-159 Variants of the Two Machine Flow Shop Problem connected with factorization of matrix functions***by*Bart, H. & Kroon, L. G.**160-175 A fast tabu search algorithm for the permutation flow-shop problem***by*Nowicki, Eugeniusz & Smutnicki, Czeslaw**176-189 Sevast'yanov's algorithm for the flow-shop scheduling problem***by*Ramalhinho Lourenco, Helena**190-202 Single-machine scheduling with time windows and earliness/tardiness penalties***by*Koulamas, Christos**203-210 Solution of the generalized Townsend single machine scheduling model***by*Szwarc, Wlodzimierz & Mukhopadhyay, Samar K.

### May 1996, Volume 90, Issue 3

**383-394 Inspection games in arms control***by*Avenhaus, Rudolf & Canty, Morton & Marc Kilgour, D. & von Stengel, Bernhard & Zamir, Shmuel**395-412 Cost-effective sulphur emission reduction under uncertainty***by*Altman, Anna & Amann, Markus & Klaassen, Ger & Ruszczynski, Andrzej & Schopp, Wolfgang**413-419 A simulation model for emergency evacuation***by*Pidd, M. & de Silva, F. N. & Eglese, R. W.**420-426 Determining dominant wind directions***by*Selim, Shokri Z. & Al-Rabeh, A. H.**427-443 Applying the flow-capturing location-allocation model to an authentic network: Edmonton, Canada***by*John Hodgson, M. & Rosing, K. E. & Leontien, A. & Storrier, G.**444-450 Location-allocation on a line with demand-dependent costs***by*Drezner, Zvi & Wesolowsky, George O.**451-460 Robustness of the efficient DMUs in data envelopment analysis***by*Zhu, Joe**461-472 Preference voting and project ranking using DEA and cross-evaluation***by*Green, Rodney H. & Doyle, John R. & Cook, Wade D.**473-486 A decision-support model for investment decisions in new ventures***by*Jain, Bharat A. & Nag, Barin N.**487-513 A survey of business failures with an emphasis on prediction methods and industrial applications***by*Dimitras, A. I. & Zanakis, S. H. & Zopounidis, C.**514-535 On the methodology of the World Competitiveness Report***by*Oral, Muhittin & Chabchoub, Habib**536-546 Residence exchange wanted: A stable residence exchange problem***by*Yuan, Yufei**547-552 On the optimal spacing of currency denominations***by*van Hove, Leo & Heyndels, Bruno**553-565 On the measurement of technical efficiency in the public sector***by*Ruggiero, John**566-576 Efficiency of the Turkish Stock Exchange with respect to monetary variables: A cointegration analysis***by*Muradoglu, Yaz Gulnur & Metin, Kivilcim**577-588 Using neural networks to forecast the systematic risk of stocks***by*Wittkemper, Hans-Georg & Steiner, Manfred**589-598 Strategic new product pricing when demand obeys saturation effects***by*Dockner, Engelbert J. & Gaunersdorfer, Andrea**599-608 A differential game model of a market of substitutable products***by*Yeung, David W. K.**609-618 The system dynamics of future warfare***by*Moffat, J.**619-624 A new model of conflict analysis -- the three dimensional graph model***by*Wu, Yuhua & Cheng, Dewen & Wolfe, M.**625-637 Monotone second-best optimal contracts***by*Monahan, George E. & Vemuri, Vijay

### April 1996, Volume 90, Issue 2

**197-199 Project management and scheduling***by*Herroelen, Willy S. & Demeulemeester, Erik L.**200-213 Local search heuristics for single-machine scheduling with batching to minimize the number of late jobs***by*Crauwels, H. A. J. & Potts, C. N. & Van Wassenhove, L. N.**214-226 Polynomial algorithms for resource-constrained and multiprocessor task scheduling problems***by*Brucker, Peter & Kramer, Andreas**227-237 The two-machine total completion time flow shop problem***by*Della Croce, F. & Narayan, V. & Tadei, R.**238-251 Two branch and bound algorithms for the permutation flow shop problem***by*Carlier, Jacques & Rebai, Ismail**252-268 Extending the shifting bottleneck procedure to real-life applications***by*Ivens, Philip & Lambrecht, Marc**269-284 A computational study of constraint satisfaction for multiple capacitated job shop scheduling***by*Nuijten, W. P. M. & Aarts, E. H. L.**285-302 A graph colouring model for assigning a heterogeneous workforce to a given schedule***by*Valls, Vicente & Perez, Angeles & Quintanilla, Sacramento**303-319 A branch and bound algorithm for minimizing the number of crossing arcs in bipartite graphs***by*Valls, Vicente & Marti, Rafael & Lino, Pilar**320-333 Serial and parallel resource-constrained project scheduling methods revisited: Theory and computation***by*Kolisch, Rainer**334-348 An efficient optimal solution procedure for the preemptive resource-constrained project scheduling problem***by*Demeulemeester, Erik L. & Herroelen, Willy S.**349-361 A new and efficient heuristic for scheduling projects with resource restrictions and multiple execution modes***by*Boctor, Fayez F.**362-375 A framework for an interactive project scheduling system under limited resources***by*Ulusoy, Gunduz & Ozdamar, Linet**376-382 : A generator of testsets for project activity nets***by*Agrawal, M. K. & Elmaghraby, S. E. & Herroelen, W. S.

### April 1996, Volume 90, Issue 1

**1-12 Practical aspects of route planning for magazine and newspaper wholesalers***by*Dillmann, Roland & Becker, Burkhard & Beckefeld, Volker**13-25 Scheduling for a multifunction phased array radar system***by*Orman, A. J. & Potts, C. N. & Shahani, A. K. & Moore, A. R.**26-44 Tactical design of rail freight networks. Part I: Exact and heuristic methods***by*Marin, Angel & Salmeron, Javier**45-55 A restricted dynamic programming heuristic algorithm for the time dependent traveling salesman problem***by*Malandraki, Chryssi & Dial, Robert B.**56-70 An efficient algorithm for facility location in the presence of forbidden regions***by*Butt, Steven E. & Cavalier, Tom M.**71-77 Optimizing solid waste collection in Brussels***by*Kulcar, Thierry**78-84 An axiomatic characterization of some locations in trees***by*Vohra, Rakesh**85-101 VARMAX-modelling of blast furnace process variables***by*Ostermark, Ralf & Saxen, Henrik**102-114 Generalized bilinear programming: An application in farm management***by*Bloemhof-Ruwaard, Jacqueline M. & Hendrix, Eligius M. T.**115-141 Interactions between members of a marketing-production channel under seasonal demand***by*Desai, Vijay S.**142-155 Determination of paths to vendor market efficiency using parallel coordinates representation: A negotiation tool for buyers***by*Weber, Charles A. & Desai, Anand**156-170 Computational approximations of renewal process relating to a warranty problem: The case of phase-type lifetimes***by*Kao, Edward P. C. & Smith, Marion Spokony**171-181 A stocking policy for spare part provisioning under age based preventive replacement***by*Zohrul Kabir, A. B. M. & Al-Olayan, Ahmed S.**182-196 Dynamic setup reduction in production lot sizing with nonconstant deterministic demand***by*Hong, Jae-Dong & Kim, Seung-Lae & Hayya, Jack C.

### March 1996, Volume 89, Issue 3

**445-456 The application of fuzzy integrals in multicriteria decision making***by*Grabisch, Michel**457-461 A note on the use of PROMETHEE multicriteria methods***by*De Keyser, Wim & Peeters, Peter**462-472 InterQuad: An interactive quad tree based procedure for solving the discrete alternative multiple criteria problem***by*Sun, Minghe & Steuer, Ralph E.**473-481 Equivalence and implementation of alternative methods for determining returns to scale in data envelopment analysis***by*Banker, Rajiv D. & Chang, Hsihui & Cooper, William W.**482-490 Efficiency bounds in Data Envelopment Analysis***by*Green, Rodney H. & Doyle, John R. & Cook, Wade D.**491-495 Towards an optimal model of food nutrition structure relating to production development for the region of the middle-lower reach of the Yangtze in China***by*Haitao, C. & Hongyan, Z. & Xuehong, L. & Qingping, L.**496-515 On the robustness of the bowl phenomenon***by*Hillier, Frederick S. & So, Kut C.**516-524 A general lower bound for the makespan problem***by*Webster, S. T.**525-542 A multiple-tree search procedure for the resource-constrained project scheduling problem***by*Simpson, Wendell P. & Patterson, James H.**543-555 Resource allocation in state-dependent emergency evacuation networks***by*Bakuli, David L. & MacGregor Smith, J.**556-563 A neural network approach to facility layout problems***by*Kazuhiro Tsuchiya & Sunil Bharitkar & Yoshiyasu Takefuji**564-569 A heuristic for blocking flow algorithms***by*Traff, Jesper Larsson**570-580 An amalgation of games***by*Borm, Peter & Garcia-Jurado, Ignacio & Potters, Jos & Tijs, Stef**581-592 Nonparametric econometric modelling: A neural network approach***by*Shouhong Wang**593-608 Optimal batch size and raw material ordering policy for a production system with a fixed-interval, lumpy demand delivery system***by*Sarker, Bhaba R. & Parija, Gyana R.**609-617 LP relaxation of the two dimensional knapsack problem with box and GUB constraints***by*Bagchi, Ansuman & Bhattacharyya, Nalinaksha & Chakravarti, Nilotpal**618-641 Generalized optimal designs and contingency plans in linear systems***by*Yong Shi & Po-Lung Yu & Dazhi Zhang**642-659 Auxiliary tool allocation in flexible manufacturing systems***by*Atan, Tankut S. & Pandit, Ram**660-667 The joint distribution of the number of occurrences of two interrelated Poisson processes***by*Cuffe, Barry P. & Friedman, Moshe F.**668-670 Some notes on the time-variant Lyapunov theory***by*Molnar, S. & Szidarovszky, F.**671-670 A comment on "Grey integer programming: an application to waste management planning under uncertainty" by Guo H. Huang, Brian W. Baetz, Gilles G. Patry : European Journal of Operational Research 83 (1995) 594-620***by*Jenkins, Larry

### March 1996, Volume 89, Issue 2

**223-225 The management of congestion***by*van Ackere, Ann**226-236 Pricing, routing, and incentive compatibility in multiserver queues***by*Bradford, Richard M.**237-245 Cost of congestion, operational efficiency and management accounting***by*Balachandran, Kashi R. & Radhakrishnan, Suresh**246-258 An appointment-based service center with guaranteed service***by*Babad, Yair M. & Dada, Maqbool & Saharia, Aditya N.**259-268 Manufacturing lead times, system utilization rates and lead-time-related demand***by*Weng, Z. Kevin**269-276 A lot sizing model with queueing delays: The issue of safety time***by*Lambrecht, Marc R. & Chen, Shaoxiang & Vandaele, Nico J.**277-284 Optimizing steady state Markov chains by state reduction***by*Grassmann, Winfried K.**285-301 A generalized maintenance model for stochastically deteriorating equipment***by*Stadje, Wolfgang & Zuckerman, Dror**302-312 Capacity planning under different inspection strategies***by*Gurnani, Haresh & Drezner, Zvi & Akella, Ram**313-325 Optimal time varying lot-sizing models under inflationary conditions***by*Hariga, M. A. & Ben-Daya, M.**326-340 Integrated multi-item production-inventory systems***by*Arreola-Risa, Antonio**341-354 Distribution planning for a divergent depotless two-echelon network under service constraints***by*Verrijdt, J. H. C. M. & de Kok, A. G.**355-365 Modelling setup times, process batches and transfer batches using activity network logic***by*Demeulemeester, Erik L. & Herroelen, Willy S.**366-379 Task scheduling with and without communication delays: A unified approach***by*Krishnamoorthy, Venkatesh & Efe, Kemal**380-399 A decision model for interdependent information system project selection***by*Santhanam, Radhika & Kyparisis, George J.**400-407 A note on an iterative forward/backward scheduling technique with reference to a procedure by Li and Willis***by*Ozdamar, Linet & Ulusoy, Gunduz**408-422 Comparative studies in interactive multiple objective mathematical programming***by*Aksoy, Yasemin & Butler, Timothy W. & Minor, Elliott D.**423-426 An O(m log n) algorithm for the max + sum spanning tree problem***by*Punnen, Abraham P. & Nair, K. P. K.**427-444 A Thurstonian view of the analytic hierarchy process***by*MacKay, David B. & Bowen, William M. & Zinnes, Joseph L.

### February 1996, Volume 89, Issue 1

**1-17 Optimization models for salesforce compensation***by*Albers, Sonke**18-33 Performance assessment in higher education in Britain***by*Johnes, Jill**34-52 State realization with exogenous variables - A test on blast furnace data***by*Saxen, Henrik & Ostermark, Ralf**53-69 Piecewise affine approximations for the control of a one-reservoir hydroelectric system***by*Drouin, Nicol & Gautier, Antoine & Lamond, Bernard F. & Lang, Pascal**70-85 Team coordination in decision support projects***by*Mentzas, Gregory N.**86-99 Multi-level, single-machine lot sizing and scheduling (with initial inventory)***by*Kimms, A.**100-107 Minimizing mean tardiness subject to unspecified minimum number tardy for a single machine***by*Ben-Daya, M. & Duffuaa, S. O. & Raouf, A.**108-126 A heuristic algorithm for the asymmetric capacitated vehicle routing problem***by*Vigo, Daniele**127-134 Optimal access control for broadband services: Stochastic knapsack with advance information***by*Chius, Steve Y. & Lu, Leonard & Anthony Cox, Louis**135-146 Solving the failure-to-fit problem for plant layout: By changing department shapes and sizes***by*Lin, Jin-Ling & Foote, Bobbie & Pulat, Simin & Chang, Chir-Ho & Cheung, John Y.**147-163 Analysis of a synchronization station for the performance evaluation of a kanban system with a general arrival process of demands***by*Mascolo, Maria Di**164-171 On the M/G/1 machine interference model with spares***by*Gupta, U. C. & Srinivasa Rao, T. S. S.**172-175 Preemptive scheduling in a two-stage multiprocessor flow shop is NP-hard***by*Hoogeveen, J. A. & Lenstra, J. K. & Veltman, B.**176-184 Optimal expansion of capacitated transshipment networks***by*Ahuja, R. K. & Batra, J. L. & Gupta, S. K. & Punnen, A. P.**185-192 An interactive approach for vector optimization problems***by*Hussein, Mohammad L. & Abd El-Ghaffar, F. S.