# Elsevier

# European Journal of Operational Research

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**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 (Zhang, Lei)**

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

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### 1993, Volume 64, Issue 2

**249-257 The two-machine flow shop problem with arbitrary precedence relations***by*McMahon, Graham B. & Lim, Chong-John**258-277 Scheduling with monotonous earliness and tardiness penalties***by*Kahlbacher, Helmut G.**278-285 Benchmarks for basic scheduling problems***by*Taillard, E.**286-294 PERT and crashing revisited: Mathematical generalizations***by*Foldes, Stephan & Soumis, Francois**295-311 Early-tardy cost trade-offs in resource constrained projects with cash flows: An optimization-guided heuristic approach***by*Padman, Rema & Smith-Daniels, Dwight E.**312-325 Hierarchical models for multi-project planning and scheduling***by*Speranza, M. Grazia & Vercellis, Carlo

### 1993, Volume 64, Issue 1

**2-11 Economic and environmental power dispatch***by*Petrovic, Radivoj & Kralj, Branimir**12-20 Production planning for an artists studio -- A case study***by*Hendry, L. C. & Elings, P. & Pegg, D.**21-37 SIBILLA: An implementation of an intelligent library management system***by*Patrizi, Giacomo**38-44 A Markov decision algorithm for optimal pest control through uniform catastrophes***by*Kyriakidis, E. G.**45-60 Analysis of asymmetric patrolling repairman systems***by*Das, Tapas K. & Wortman, Martin A.**61-67 Streamlined computation for data envelopment analysis***by*Ali, Agha Iqbal**68-82 The linear balancing flow problem***by*Andreatta, Giovanni & Filippi, Carlo & Romanin-Jacur, Giorgio**83-102 Determining profit-maximizing production/shipping policies in a one-to-one direct shipping, stochastic demand environment***by*Chien, T. William**103-114 Solving large scale generalized assignment problems -- An aggregation / disaggregation approach***by*Hallefjord, Asa & Jornsten, Kurt O. & Varbrand, Peter**115-125 An interactive multiobjective nonlinear programming procedure***by*M'silti, Abdelhalim & Tolla, Pierre**126-137 A new interactive algorithm for multi-objective linear programming using maximally changeable dominance cone***by*Kim, Soung Hie & Gal, Tomas**138-151 On the computational complexity of (maximum) shift class scheduling***by*Kolen, Antoon W. J. & Kroon, Leo G.

### 1992, Volume 63, Issue 3

**361-375 Multiple criteria decision support - A review***by*Korhonen, Pekka & Moskowitz, Herbert & Wallenius, Jyrki**376-397 Optimal positioning of new product-concepts: Some analytical implications and empirical results***by*Eliashberg, Jehoshua & Manrai, Ajay K.**398-408 Towards a theory of determining size in multi-objective service systems***by*Friedman, Lea & Mehrez, Abraham**409-422 Cell formation in manufacturing systems through simulated annealing: An experimental evaluation***by*Venugopal, V. & Narendran, T. T.**423-431 Routing and buffer allocation models for a telecommunication system with heterogeneous devices***by*Pourbabai, Behnam & Seidmann, Abraham**432-444 License class design: complexity and algorithms***by*Kolen, Antoon W. J. & Kroon, Leo G.**445-462 Exact computational analysis of waiting-time distributions of single-server bulk-arrival queues: MX/G/1***by*Chaudhry, M. L. & Gupta, U. C.**463-477 Performance bounds on multiserver exponential tandem queues with finite buffers***by*So, Kut C. & Chin, Ke-tsai E.

### 1992, Volume 63, Issue 2

**135-140 Operations research in facility planning: Introduction to the special issue***by*de Silva, Anura H.**141-150 Identification of transshipment center locations***by*Bhaskaran, Sita**151-163 Locating and sizing road maintenance depots***by*Rose, Geoff & Bennett, David W. & Evans, Alex T.**164-172 An application of sizing service territories***by*Rosenfield, Donald B. & Engelstein, Israel & Feigenbaum, David**173-191 Tandem AGV systems: A partitioning algorithm and performance comparison with conventional AGV systems***by*Bozer, Yavuz A. & Srinivasan, Mandyam M.**192-206 A heuristic for machine scheduling at general mail facilities***by*Jarrah, Ahmad I. Z. & Bard, Jonathan F. & de Silva, Anura H.**207-221 A model for equipment replacement due to technological obsolescence***by*Nair, Suresh K. & Hopp, Wallace J.**222-230 An O(nm) algorithm for a special case of the multimedian location problem on a tree***by*Chhajed, Dilip & Lowe, Timothy J.**231-239 Determination of minimum number of sensors and their locations for an automated facility: An algorithmic approach***by*Pandit, Ram & Ferreira, Placid M.**240-253 Design of tool magazine and operational areas for a multi-tool machine***by*Koulamas, Christos P.**254-270 An application-based agenda for incorporating OR into an AI design environment for facility design***by*Cohen, Robert M. & May, Jerrold H.**271-286 Dynamic layout design given a scenario tree of probable futures***by*Montreuil, Benoit & Laforge, Andree**287-303 Algorithms for robust single and multiple period layout planning for manufacturing systems***by*Kouvelis, Panagiotis & Kurawarwala, Abbas A. & Gutierrez, Genaro J.**304-321 An interactive layout heuristic based on hexagonal adjacency graphs***by*Goetschalckx, Marc**322-346 Genetic algorithms, function optimization, and facility layout design***by*Kar Yan Tam**347-359 Modeling uncertainties in plant layout problems***by*Palekar, Udatta S. & Batta, Rajan & Bosch, Robert M. & Elhence, Sharad

### 1992, Volume 63, Issue 1

**1-34 Product warranty management -- III: A review of mathematical models***by*Murthy, D. N. P. & Blischke, W. R.**35-53 Optimal inspection policies for a manufacturing station***by*Cassandras, Christos G. & Han, Youngnam**54-65 Profit-based FMS dynamic part type selection over time for mid-term production planning***by*Stecke, Kathryn E. & Toczylowski, Eugeniusz**66-75 Optimal control of work-in-process with dual limit switches in two-stage transfer line***by*Hwang, Hark & Koh, Shie-Gheun**76-85 Pseudorandom number generators for supercomputers and classical computers: A practical introduction***by*Kleijnen, Jack P. C. & Annink, Ben**86-101 Modelling (s, Q) inventory systems: Parametric versus non-parametric approximations for the lead time demand distribution***by*Strijbosch, L. W. G. & Heuts, R. M. J.**102-113 On subsidiary problems in geometric programming***by*Rajgopal, Jayant & Bricker, Dennis L.**114-123 Unboundedness of a convex quadratic function subject to concave and convex quadratic constraints***by*Caron, R. J. & Obuchowska, W.**124-132 Network reduction for the acyclic constrained shortest path problem***by*Hassan, Mohsen M. D.

### 1992, Volume 62, Issue 3

**261-281 Product warranty management -- II: An integrated framework for study***by*Murthy, D. N. P. & Blischke, W. R.**282-293 Information processing in a three-actions dynamic decision model***by*Jammernegg, Werner & Kischka, Peter**294-301 Fuzzy job sequencing for a flow shop***by*McCahon, Cynthia S. & Lee, E. Stanley**302-310 Single machine scheduling with coefficient of variation minimization***by*Raghavachari, M. & Zammouri, M.**311-322 Lead-time variability reduction in stochastic inventory models***by*Paknejad, M. Javad & Nasri, Farrokh & Affisco, John F.**323-339 The multicovering problem***by*Hall, Nicholas G. & Hochbaum, Dorit S.**340-353 Steady-state approximations for a multi-echelon multi-indentured repairable-item inventory system***by*Gupta, Amit & Albright, S. Christian**354-362 Efficient solutions for the linear bilevel programming problem***by*Wen, Ue-Pyng & Hsu, Shuh-Tzy**363-371 The maximum-capture hierarchical location problem***by*Serra, Daniel & Marianov, Vladimir & ReVelle, Charles**372-379 Sampling for quality inspection and correction: AOQL performance criteria***by*Kleijnen, J. P. C. & Kriens, J. & Lafleur, M. C. H. M. & Pardoel, J. H. F.

### 1992, Volume 62, Issue 2

**127-148 Product warranty management -- I: A taxonomy for warranty policies***by*Blischke, W. R. & Murthy, D. N. P.**149-162 Distribution system planning through a generalized Benders decomposition approach***by*Benchakroun, A. & Ferland, J. A. & Cleroux, R.**163-174 GBSSS: The generalized big square small square method for planar single-facility location***by*Plastria, Frank**175-185 Multinational acquisition analysis: A zero-one goal programming model***by*Schniederjans, Marc J. & Hoffman, James**186-193 A neural design for solution of the maximal independent set problem***by*Burke, Laura I.**194-202 A location problem on unicyclic networks: Balanced case***by*Kiran, Ali S. & Tamer Unal, Ali & Karabati, Selcuk**203-209 A multicriteria Pareto-optimal path algorithm***by*Tung Tung, Chi & Lin Chew, Kim**210-220 Oriented aligned rectangle packing problem***by*Agarwal, Pankaj Kumar & Shing, Man-Tak**221-240 On the design of a finite-capacity queue with phase-type service times and hysteretic control***by*Neuts, Marcel F. & Rao, B. M.**241-251 Partial maintainability and control in nonhomogeneous Markov manpower systems***by*Georgiou, A. C.

### 1992, Volume 62, Issue 1

**1-10 Integrated procurement-production systems: A review***by*Goyal, S. K. & Deshmukh, S. G.**11-26 Numerical analysis of a continuous-review lost-sales inventory model where two orders may be outstanding***by*Hill, Roger M.**27-37 Restricted neighborhood in the tabu search for the flowshop problem***by*Adenso-Diaz, Belarmino**38-46 Flow-shops with a dominant machine***by*van den Nouweland, Anne & Krabbenborg, Marc & Potters, Jos**47-54 Selection of parts and machines for cellularization: A mathematical programming approach***by*Rajamani, Divakar & Singh, N. & Aneja, Y. P.**55-73 Linear mean value cross decomposition: A generalization of the Kornai-Liptak method***by*Holmberg, Kaj**74-84 Estimation of returns to scale using data envelopment analysis***by*Banker, Rajiv D. & Thrall, R. M.**85-95 A complementary greedy heuristic for the knapsack problem***by*White, D. J.**96-104 Review of a Markov decision algorithm for optimal inspections and revisions in a maintenance system with partial information***by*Wijnmalen, D. J. D. & Hontelez, J. A. M.**105-115 Optimal design of a distributed network with a two-level hierarchical structure***by*Chung, Sung-hark & Myung, Young-soo & Tcha, Dong-wan**116-117 RLP: A program package for solving restricted 1-facility location problems in a user friendly environment***by*Nickel, S. & Hamacher, H. W.

### 1992, Volume 61, Issue 3

**255-272 Aggregate production planning -- A survey of models and methodologies***by*Nam, Sang-jin & Logendran, Rasaratnam**273-291 Planning and scheduling approaches to operate a particular FMS***by*Stecke, Kathryn E.**292-298 The use of domains in multicriteria decision making***by*Eiselt, H. A. & Laporte, Gilbert**299-305 An iterative SOR algorithm for multi-period spatial equilibria***by*Guder, F.**306-317 A logic approach to the resolution of constraints in timetabling***by*Kang, Le & White, George M.**318-325 An efficient heuristic approach to the scheduling of jobs in a flowshop***by*Rajendran, Chandrasekharan & Chaudhuri, Dipak**326-344 An algorithm for storage device selection and file assignment***by*Han, Bernard T. & Diehr, George**345-356 On balancing variances of station processing times in unpaced lines***by*Lau, Hon-Shiang**357-369 On simulation and optimization of macroeconometric models***by*Engels, J. R.

### 1992, Volume 61, Issue 1-2

**1-5 The IFORS-SPC 1 conference, Bruges, Belgium, March 26-29, 1991***by*Brans, J. P. & Jelassi, T.**6-17 Rule-based simulation metamodels***by*Pierreval, Henri**18-29 Production planning knowledge-based system for pharmaceutical manufacturing lines***by*Artiba, A. & Tahon, C.**30-40 A DSS for optimizing the aggregate production planning at Monsanto Antwerp***by*Bloemen, R. & Maes, J.**41-47 A taxonomy for supporting the development of computer-based production planning and control systems***by*Price, D. H. R. & Sharp, J. A. & Muhlemann, A. P.**48-56 Sensitivity analysis for Horn formulae***by*Marcucci, Cristina & Schoen, Fabio**57-71 Aligning DSS development with organization development***by*Salmela, Hannu & Ruohonen, Mikko**72-85 Towards a DEISS?***by*Thiriez, Herve**86-97 Blackboard metaphor in tactical decision making***by*Vranes, Sanja & Lucin, Mario & Stanojevic, Mladen & Stevanovic, Violeta & Subasic, Pero**98-105 Towards strategic accounting in product management: Implementing a holistic approach in a data and methods base for managerial accounting***by*Back-Hock, Andrea**106-113 A DSS approach to urban traffic management***by*Bielli, Maurizio**114-121 Expert systems in management and administration - are they really different from Decision Support Systems?***by*Edwards, John S.**122-134 Contrasting successful and unsuccessful expert systems***by*Duchessi, Peter & O'Keefe, Robert M.**135-144 On the integration of an interactive MOLP procedure base and expert system techniques***by*Henggeler Antunes, C. & Paulo Melo, M. & Climaco, Joao N.**145-153 Designing decision support systems and expert systems with a better end-use involvement: a promising approach***by*Despres, Sylvie & Rosenthal-Sabroux, Camille**154-164 New directions in software for strategic choice***by*Friend, John**165-185 Consensus in distributed soft environments***by*Carlsson, Christer & Ehrenberg, Dieter & Eklund, Patrik & Fedrizzi, Mario & Gustafsson, Patrik & Lindholm, Paul & Merkuryeva, Galina & Riissanen, Tony & G.S. Ventre, Aldo**186-194 Ranking methods for valued preference relations : A characterization of a method based on leaving and entering flows***by*Bouyssou, D. & Perny, P.**195-203 A preference-preserving projection technique for MCDM***by*Vetschera, Rudolf**204-214 A management tool for indicator-supported systems: A public health service application***by*Carrizosa, E. & Conde, E. & Fernandez, F. R. & Puerto, J.**215-218 A multicriteria scheduling tool using a branch-and-bound algorithm***by*Bausch, Raymond**219-229 An evaluation of multicriteria analysis for DSS in public policy decision***by*Mladineo, N. & Lozic, I. & Stosic, S. & Mlinaric, D. & Radica, T.**230-244 A multicriterion view of optimal resource allocation in job-shop production***by*Gravel, Marc & Martel, Jean Marc & Nadeau, Raymond & Price, Wilson & Tremblay, Richard**245-253 Two multiple criteria group decision support systems based on mathematical programming and ranking methods***by*Iz, Peri H.

### 1992, Volume 60, Issue 3

**233-246 Workforce staffing and scheduling: Hospital nursing specific models***by*Siferd, Sue Perrott & Benton, W. C.**247-259 A review of stochastic modelling of delay and capacity at unsignalized priority intersections***by*Cheng, T. C. E. & Allam, S.**260-272 A survey of algorithms for the generalized assignment problem***by*Cattrysse, Dirk G. & Van Wassenhove, Luk N.**273-279 Approximation algorithms for three-dimensional assignment problems with triangle inequalities***by*Crama, Yves & Spieksma, Frits C. R.**280-286 A computer graphics-based Decision Support System for multiple objective linear programming***by*Korhonen, Pekka & Wallenius, Jyrki & Zionts, Stanley**287-295 Projection algorithms for linear programming***by*Betke, U. & Gritzmann, P.**296-305 A barrier method for dynamic Leontief-type linear programs***by*Yang, Eugene K. & Hwang, Wei-Shi**306-314 Generalized bilinear programming: Part I. Models, applications and linear programming relaxation***by*Al-Khayyal, Faiz A.**315-326 Weakly redundant constraints and their impact on postoptimal analyses in LP***by*Gal, Tomas**327-334 Simulated annealing applied to the process allocation problem***by*Sofianopoulou, Stella**335-343 On tightening cover induced inequalities***by*Dietrich, B. L. & Escudero, L. F.**344-364 Routing flexibility and production scheduling in a flexible manufacturing system***by*Ghosh, Soumen & Gaimon, Cheryl

### 1992, Volume 60, Issue 2

**131-143 Measuring manufacturing flexibility: An empirical investigation***by*Robb Dixon, J.**144-155 The measurement and use of operational flexibility in the loading of Flexible Manufacturing Systems***by*Bernardo, John J. & Mohamed, Zubair**156-165 Models for the evaluation of routing and machine flexibility***by*Chandra, Pankaj & Tombak, Mihkel M.**166-182 The measurement of manufacturing flexibility***by*Gupta, Yash P. & Somers, Toni M.**183-199 Stochastic analysis of flexible process choices***by*Sinha, Diptendu & Wei, Jerry C.**200-210 A bicriterion framework for operations assignment and routing flexibility analysis in Cellular Manufacturing Systems***by*Singh, N. & Aneja, Y. P. & Rana, S. P.**211-223 Flexibility and the choice of manufacturing facilities under short product life cycles***by*Gaimon, Cheryl & Singhal, Vinod**224-232 Parts routing in a Flexible Manufacturing System with time-varying demands***by*Chen, Mingyuan & Alfa, Attahiru Sule

### 1992, Volume 60, Issue 1

**1-18 An integrated evaluation of facility location, capacity acquisition, and technology selection for designing global manufacturing strategies***by*Verter, Vedat & Cemal Dincer, M.**19-30 The influence of direction setting tactics on success in organizational decision making***by*Nutt, Paul C.**31-44 Modeling competitive pricing and market share: Anatomy of a decision support system***by*Green, Paul E. & Krieger, Abba M.**45-51 Uncertainty, experience and the phase theorem***by*Pearson, Alan & Hauschildt, Jurgen**52-60 An approach for finding the most preferred alternative in the presence of multiple criteria***by*Murat Koksalan, M. & Taner, Orhan V.**61-67 Ranking methods based on valued preference relations: A characterization of the net flow method***by*Bouyssou, Denis**68-75 A transitivity approach to preference relational systems***by*Moreno, JoseA.**76-86 Minimax resource allocation problems: Optimization and parametric analysis***by*Luss, Hanan**87-98 Trade-off analysis using parametric optimization techniques***by*Nakayama, Hirotaka**99-108 Adjustment of importance weights in multiattribute value models by minimum discrimination information***by*Soofi, Ehsan S. & Retzer, Joseph J.**109-116 A note on conflict resolution and truthtelling***by*Bogetoft, Peter**117-129 Implementation of the centroid method of Solymosi and Dombi***by*Olson, D. L. & Dorai, V. K.

### 1992, Volume 59, Issue 3

**345-358 The vehicle routing problem: An overview of exact and approximate algorithms***by*Laporte, Gilbert**359-369 Many steps towards zero inventory***by*Grunwald, Herbert J. & Fortuin, Leonard**370-382 Optimal ordering policies when anticipating a disruption in supply or demand***by*Weiss, Howard J. & Rosenthal, Edward C.**383-392 Analysis of net inventory in continuous review models with random lead time***by*Azoury, Katy S. & Brill, Percy H.**393-404 Lot-sizing algorithm for a coordinated multi-item, multi-source distribution problem***by*Iyogun, Paul**405-412 Analysis and comparison of two strategies for multi-item inventory systems with joint replenishment costs***by*van Eijs, M. J. G. & Heuts, R. M. J. & Kleijnen, J. P. C.**413-424 A comparison of two lot sizing-sequencing heuristics for the process industry***by*Heuts, R. M. J. & Seidel, H. P. & Selen, W. J.**425-433 An algorithm based on a new sufficient condition of optimality in dynamic lot size model***by*Aryanezhad, Mir-Bahador Q.**434-443 The EQQ model with stochastic demand and discounting***by*Chao, Hung-po**444-458 Capacitated lot-sizing and scheduling by Lagrangean relaxation***by*Diaby, M. & Bahl, H. C. & Karwan, M. H. & Zionts, S.

### 1992, Volume 59, Issue 2

**231-247 The traveling salesman problem: An overview of exact and approximate algorithms***by*Laporte, Gilbert**248-261 Multicriteria analysis of the burden sharing in the European Community***by*Hens, Luc & Pastijn, Hugo & Struys, Wally**262-274 Human migration networks***by*Nagurney, Anna & Pan, Jie & Zhao, Lan**275-287 A game-theoretic model for mergers and acquisitions***by*van den Honert, Robin C. & Stewart, Theodor J.**288-293 Economic investment times for capacity expansion problems***by*Higle, Julia L. & Corrado, Charles J.**294-297 Optimal partition for shop floor control in semiconductor wafer fabrication***by*Johri, Pravin K.**298-302 Single-machine sequencing with controllable processing times***by*Panwalkar, S. S. & Rajagopalan, R.**303-307 The G/G/1 (LCFS/P) queue with service depending on queue size***by*Fakinos, D.**308-312 A generalized optimization strategy for dynamic CO2 enrichment in a greenhouse***by*Chalabi, Z. S.**313-318 An optimal algorithm for integrating raw materials inventory in a single-product manufacturing system***by*Hong, Jae-Dong & Hayya, Jack C.**319-323 Prioritization models for frontier decision making units in DEA***by*Cook, Wade D. & Kress, Moshe & Seiford, Lawrence M.**324-329 On the optimal entropy analysis***by*Tsao, H. S. J. & Fang, S. C. & Lee, D. N.**330-332 Application of a measure of proximity to fuzzy control algorithms***by*Pappis, Costas P.**333-336 A note on sequencing jobs with deadlines problem***by*Dudzinski, Krzysztof & Szkatula, Krzysztof**337-339 A note on modeling internal technological externalities in linear profit programs***by*Panik, Michael J.**340-341 Correction to an article of Gavish and Pirkul***by*Sommerschuh, Jurgen

### 1992, Volume 59, Issue 1

**1-5 Modelling to predict or to learn?***by*de Geus, A. P.**6-8 Introduction and background***by*Morecroft, John**9-27 Executive knowledge, models and learning***by*Morecroft, John D. W.**28-41 Model-building for group decision support: Issues and alternatives in knowledge elicitation***by*Vennix, Jac A. M. & Andersen, David F. & Richardson, George P. & Rohrbaugh, John**42-63 Policies, decisions and information sources for modeling***by*Forrester, Jay W.**64-84 Modelling as learning: A consultancy methodology for enhancing learning in management teams***by*Lane, David C.**85-101 Knowledge elicitation in conceptual model building: A case study in modeling a regional Dutch health care system***by*Vennix, Jac A. M. & Gubbels, Jan W.**102-122 Modelling the oil producers -- Capturing oil industry knowledge in a behavioural simulation model***by*Morecroft, John D. W. & van der Heijden, Kees A. J. M.**123-136 The definition and application of a stepwise approach to model conceptualisation and analysis***by*Wolstenholme, Eric F.**137-150 Systems thinking and organizational learning: Acting locally and thinking globally in the organization of the future***by*Senge, Peter M. & Sterman, John D.**151-166 Model-supported case studies for management education***by*Graham, Alan K. & Morecroft, John D. W. & Senge, Peter M. & Sterman, John D.**167-182 Experimentation in learning organizations: A management flight simulator approach***by*Bakken, Bent & Gould, Janet & Kim, Daniel**183-196 Overcoming limits to learning in computer-based learning environments***by*Isaacs, Williams & Senge, Peter**197-202 Software for model-building and simulation: An illustration of design philosophy***by*Peterson, Steve**203-209 The system dynamics modelling process and DYSMPA2***by*Dangerfield, Brian**210-215 Participatory simulation software for managers: The design philosophy behind MicroWorld Creator***by*Diehl, Ernst W.**216-219 Understanding models with Vensim(TM)***by*Eberlein, Robert L. & Peterson, David W.**220-230 Hexagons for systems thinking***by*Hodgson, Anthony M.

### 1992, Volume 58, Issue 3

**301-317 Maintenance management decision making***by*Pintelon, L. M. & Gelders, L. F.**318-334 Development of a reliability based dynamic dredging decision model***by*Ratick, Samuel J. & Du, Wei & Moser, David A.**335-343 Number of bids, number of bidders and bidding behavior in outer-continental shelf oil lease auction markets***by*Saidi, Reza & Marsden, James R.**344-355 Time-series distributional properties of financial ratios: Empirical evidence from Finnish listed firms***by*Martikainen, Teppo**356-362 Reorganization of forest districts via efficiency measurement***by*Kao, Chiang & Chi Yang, Yong**363-373 A branch-and-bound algorithm for the location of facilities causing atmospheric pollution***by*Karkazis, John & Papadimitriou, Costas**374-385 A model for scheduling postal distribution employees***by*Malhotra, Manoj K. & Ritzman, Larry P. & Benton, W. C. & Keong Leong, G.**386-392 Optimization of telephone wire gauges for transmission standards***by*Hernandez, Lorenzo F. & Khoshnevis, Behrokh**393-403 A cost-allocation system applied to Dutch hospitals***by*Verheyen, Piet A. & Nederstigt, Pieter F. P. M.