# Elsevier

# European Journal of Operational Research

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**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

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### June 1995, Volume 83, Issue 3

**581-593 Three models of fuzzy integer linear programming***by*Herrera, F. & Verdegay, J. L.**594-620 Grey integer programming: An application to waste management planning under uncertainty***by*Huang, Guo H. & Baetz, Brian W. & Patry, Gilles G.**621-638 The bottleneck generalized assignment problem***by*Martello, Silvano & Toth, Paolo**639-654 Modelling pairwise comparisons on ratio scales***by*Bryson, Noel & Mobolurin, Ayodele & Ngwenyama, Ojelanki**655-669 A new aggregation-disaggregation algorithm***by*Shioyama, Tadayoshi & Tanaka, Kimiyuki**670-685 Coupling the auxiliary problem principle with descent methods of pseudoconvex programming***by*Zhu, Daoli & Marcotte, Patrice**686-699 Automatic decrease of the penalty parameter in exact penalty function methods***by*Mongeau, Marcel & Sartenaer, Annick**700-710 Data envelopment analysis: Visualizing the results***by*El-Mahgary, Sami & Lahdelma, Risto**711-712 A note on exact algorithms for the bottleneck generalized assignment problem***by*Martello, Silvano & Toth, Paolo

### June 1995, Volume 83, Issue 2

**249-252 Tenth EURO summer institute***by*Roucairol, Catherine & Thiriez, Herve & Krarup, Jakob & Plateau, Gerard & Tolla, Pierre**253-270 Some thoughts on combinatorial optimisation***by*Bjorndal, M. H. & Caprara, A. & Cowling, P. I. & Della Croce, F. & Lourenco, H. & Malucelli, F. & Orman, A. J. & Pisinger, D. & Rego, C. & Salazar, J. J.**271-282 FUN: A dynamic method for scheduling problems***by*Bugnon, B. & Stoffel, K. & Widmer, M.**283-300 Heuristics for biquadratic assignment problems and their computational comparison***by*Burkard, Rainer E. & Cela, Eranda**301-309 A bound for the symmetric travelling salesman problem through matroid formulation***by*Cowling, Peter & Maffioli, Francesco**310-319 Generalized pairwise interchanges and machine scheduling***by*Della Croce, Federico**320-329 Scheduling jobs within time windows on identical parallel machines: New model and algorithms***by*Gabrel, Virginie**330-346 A comparative study of both standard and adaptive versions of threshold accepting and simulated annealing algorithms in three scheduling problems***by*C.K.Y. Lin & Haley, K. B. & Sparks, C.**347-364 Job-shop scheduling: Computational study of local search and large-step optimization methods***by*Lourenco, Helena Ramalhinho**365-375 Lower bounds for the quadratic semi-assignment problem***by*Malucelli, Federico & Pretolani, Daniele**376-393 The inverse-parametric knapsack problem***by*Burkard, Rainer E. & Pferschy, Ulrich**394-410 A minimal algorithm for the multiple-choice knapsack problem***by*Pisinger, David**411-429 Using Tabu search for solving a dynamic multi-terminal truck dispatching problem***by*Rego, Cesar & Roucairol, Catherine

### May 1995, Volume 83, Issue 1

**1-20 Optimization methods for electric utility resource planning***by*Hobbs, Benjamin F.**21-38 An exact algorithm for orthogonal 2-D cutting problems using guillotine cuts***by*Christofides, Nicos & Hadjiconstantinou, Eleni**39-56 An exact algorithm for general, orthogonal, two-dimensional knapsack problems***by*Hadjiconstantinou, Eleni & Christofides, Nicos**57-68 A method for the cutting stock problem with different qualities***by*Ronnqvist, Mikael**69-82 A classification of formulations for the (time-dependent) traveling salesman problem***by*Gouveia, Luis & Vo[ss], Stefan**83-104 A new extension of local search applied to the Dial-A-Ride Problem***by*Healy, Patrick & Moll, Robert**105-116 Estimation and determination of shortest path length in a road network with obstacles***by*Dubois, Nicolas & Semet, Frederic**117-136 A differential game approach to the dynamic mixed behavior traffic network equilibrium problem***by*Byung-Wook Wie**137-153 Temporal distribution of public transport demand during the peak period***by*Alfa, Attahiru Sule & Chen, Mingyuan**154-166 Time depending shortest-path problems with applications to railway networks***by*Nachtigall, K.**167-181 Refueling strategies to maximize the operational range of a nonidentical vehicle fleet***by*Yuan, Yufei & Mehrez, Abraham**182-199 Properties of expected costs and performance measures in stochastic models of scheduled transport***by*Carey, Malachy & Kwiecinski, Andrzej**200-219 The hub location and routing problem***by*Aykin, Turgut**220-236 A smooth penalty function algorithm for network-structured problems***by*Zenios, Stavros A. & Pinar, Mustafa C. & Dembo, Ron S.**237-244 A suboptimal solution to a hierarchial network design problem using dynamic programming***by*Sancho, N. G. F.**245-246 A comment on "models, modelling and modellers: an application to risk analysis" by B. Wahlstrom European Journal of Operational Research 75 (1994) 477-487***by*Cooper, W. W.**247-248 Reply to W.W. Cooper European Journal of Operational Research 83 (1995) 245-246***by*Wahlstrom, Bjorn

### May 1995, Volume 82, Issue 3

**383-408 Activity nets: A guided tour through some recent developments***by*Elmaghraby, Salah E.**409-421 On the development of educational policies***by*Tavares, L. Valadares**422-437 Key features for model building decision support systems***by*Binbasioglu, Meral**438-457 The strategic value of flexibility in sequential decision making***by*Benjaafar, Saifallah & Morin, Thomas L. & Talavage, Joseph J.**458-475 Preference programming through approximate ratio comparisons***by*Salo, Ahti A. & Hamalainen, Raimo P.**476-489 Proper efficiency and cardinal utilities in multicriteria decision making***by*Huang, Zhimin & Li, Susan X. & Raghavan, Veeravalli & Bruce Sun, D.**490-502 The conflict analysis method: bridging the gap between ELECTRE, PROMETHEE and ORESTE***by*van Huylenbroeck, G.**503-521 ZAPROS-LM -- A method and system for ordering multiattribute alternatives***by*Larichev, O. I. & Moshkovich, H. M.**522-539 Comparison of the REMBRANDT system with analytic hierarchy process***by*Olson, David L. & Fliedner, Gene & Currie, Karen**540-555 Heuristics for scheduling in flowshop with multiple objectives***by*Rajendran, Chandrasekharan**556-591 Multiobjective water resources investment planning under budgetary uncertainty and fuzzy environment***by*Sutardi & bector, C. R. & Goulter, Ian**592-614 Simulated annealing for manufacturing systems layout design***by*Souilah, Abdelghani**615-646 On a new class of bilevel programming problems and its use for reformulating mixed integer problems***by*Frangioni, Antonio

### April 1995, Volume 82, Issue 2

**211-213 OR Models for Maintenance Management and Quality Control***by*Van der Duyn Schouten, Frank A. & Tapiero, Charles S.**214-224 The marginal cost analysis and its application to repair and replacement policies***by*Berg, Menachem P.**225-240 Integrating optimisation, priority setting, planning and combining of maintenance activities***by*Dekker, Rommert**241-257 An integrated and structured approach to improve maintenance***by*Vanneste, S. G. & Van Wassenhove, L. N.**258-269 A simple condition monitoring model for a direct monitoring process***by*Christer, A. H. & Wang, W.**270-282 A Bayesian failure model based on isotropic deterioration***by*van Noortwijk, Jan M. & Cooke, Roger M. & Kok, Matthijs**283-294 Optimal maintenance policies in random environments***by*Ozekici, Suleyman**295-301 Optimal repairman assignment in two symmetric maintenance models***by*Koole, Ger**302-322 N parallel queueing systems with server breakdown and repair***by*Wartenhorst, Pieter**323-338 Maintenance optimization of a production system with buffer capacity***by*Van der Duyn Schouten, F. A. & Vanneste, S. G.**339-358 Time scale decomposition in production planning for unreliable flexible manufacturing systems***by*Haurie, A.**359-372 Turnpikes in flow control models of unreliable manufacturing systems***by*Haurie, A. & van Delft, Ch.**373-382 Contract design and the control of quality in a conflictual environment***by*Reyniers, Diane J. & Tapiero, Charles S.

### April 1995, Volume 82, Issue 1

**1-17 Mathematical models of brand choice behavior***by*Manrai, Ajay K.**18-25 Application of goal programming in project selection decision -- A case study from the Indian coal mining industry***by*Mukherjee, Kampan & Bera, Achintya**26-38 Process technologies, learning and brand proliferation***by*Tombak, Mihkel M.**39-52 A fuzzy set model for market share and preference prediction***by*Burhan Turksen, I. & Willson, Ian A.**53-78 Modeling global market entry decision by fuzzy logic with an application to country risk assessment***by*Levy, Joshua B. & Yoon, Eunsang**79-97 Qualitative multicriteria methods for fuzzy evaluation problems: An illustration of economic-ecological evaluation***by*Munda, G. & Nijkamp, P. & Rietveld, P.**98-110 Warehouse-retailer system with stochastic demands -- Non-identical retailer case***by*Chew, Ek Peng & Tang, Loon Ching**111-124 Financial planning with fractional goals***by*Goedhart, Marc H. & Spronk, Jaap**125-144 Preventive maintenance with limited historical data***by*Silver, Edward A. & Fiechter, Claude-Nicolas**145-162 Verification and validation of simulation models***by*Kleijnen, Jack P. C.**163-175 Water supply operations during drought: A discrete hedging rule***by*Shih, Jhih-Shyang & ReVelle, Charles**176-189 Tabu search for the multilevel generalized assignment problem***by*Laguna, Manuel & Kelly, James P. & Gonzalez-Velarde, JoseLuis & Glover, Fred**190-205 Exact and approximation algorithms for the operational fixed interval scheduling problem***by*Kroon, Leo G. & Salomon, Marc & Van Wassenhove, Luk N.**206-208 Avoiding anomalies in the 2 algorithm by Martello and Toth***by*Pisinger, David**209-210 A one-vendor multi-buyer integrated inventory model: A comment***by*Goyal, S. K.

### March 1995, Volume 81, Issue 3

**445-459 High interaction graphics***by*Eick, Stephen G. & Wills, Graham J.**460-473 Reconsidering the distribution structure of gasoline products for a large oil company***by*van der Bruggen, Lambert & Gruson, Ruud & Salomon, Marc**474-478 Sales effects of depot locations***by*Baunack, Bettina & Mercer, Alan & Napp, Anna**479-488 Pictures from an exhibition: Images of OR/MS***by*Pidd, Michael**489-499 Service level risk in a pipeline system: A stochastic analysis***by*von Lanzenauer, Christoph Haehling & James, William G. & Wright, Don D.**500-511 Water resources planning in the Middle East: Application of the PROMETHEE V multicriteria method***by*Abu-Taleb, Maher F. & Mareschal, Bertrand**512-520 Effects of inflation and time-value of money on an inventory model with time-dependent demand rate and shortages***by*Hariga, Moncer A.**521-534 Industry simulation: System modelling with an object oriented/DEVS technology***by*Ninios, Panagiotis & Vlahos, Kiriakos & Bunn, Derek W.**535-542 A reservoir hydroelectric system: Exactly and approximately optimal policies***by*Lamond, Bernard F. & Monroe, Susan L. & Sobel, Matthew J.**543-552 Some problems with the design of self-learning open-loop control systems***by*Flikop, Ziny**553-556 A worst-case analysis of two approximate algorithms for the asymmetric travelling salesman problem***by*Righini, Giovanni & Trubian, Marco**557-560 Transformation of multidepot multisalesmen problem to the standard travelling salesman problem***by*Yang GuoXing**561-570 The minimal average cost flow problem***by*Chen, Y. L.**571-578 Flowshop sequencing with mean flowtime objective***by*Ho, Johnny C.**579-589 A procedure for the one-machine sequencing problem with dependent jobs***by*Dauzere-Peres, Stephane**590-596 A discussion of testing DMUs' returns to scale***by*Joe Zhu & Zhao-Han Shen**597-604 Solution of a tinned iron purchasing problem by Lagrangean relaxation***by*Dorhout, B.**605-616 Logic applied to integer programming and integer programming applied to logic***by*Williams, H. P.**617-628 A parallel depth first search branch and bound algorithm for the quadratic assignment problem***by*Mans, Bernard & Mautor, Thierry & Roucairol, Catherine**629-633 Ratio combinatorial programs***by*Aneja, Y. P. & Kabadi, S. N.**634-643 Minmax combinatorial optimization***by*Punnen, Abraham P. & Aneja, Y. P.**644-651 Solving a bilevel linear program when the inner decision maker controls few variables***by*Liu, Yi-Hsin & Spencer, Thomas H.**652-662 On linear inequality systems without strongly redundant constraints***by*Derks, J. J. M.

### March 1995, Volume 81, Issue 2

**225-238 The discrete time-cost tradeoff problem revisited***by*De, Prabuddha & James Dunne, E. & Ghosh, Jay B. & Wells, Charles E.**239-248 Multiple period repair kit problem with a job completion criterion: A case study***by*Heeremans, D. & Gelders, L. F.**249-258 Designing a quality control system in a service organization: A goal programming case study***by*Schniederjans, Marc J. & Karuppan, Corinne M.**259-270 An analysis of lead-lag structures using a frequency domain approach: Empirical evidence from the Finnish and Swedish stock markets***by*Knif, Johan & Pynnonen, Seppo & Luoma, Martti**271-280 An information-theoretic two-stage, two-decision rule, choice model***by*Gensch, Dennis H. & Soofi, Ehsan S.**281-290 Novel types of sensitivity analysis for additive MCDM methods***by*Wolters, W. T. M. & Mareschal, B.**291-301 Multi-criteria analysis with partial information about the weighting coefficients***by*Carrizosa, E. & Conde, E. & Fernandez, F. R. & Puerto, J.**302-311 On evaluating the performance of `wide-band' GDSS's***by*Eden, Colin**312-323 A one-vendor multi-buyer integrated inventory model***by*Lu, Lu**324-335 Stochastic choice hazard and incentives in a common service facility***by*Radhakrishnan, Suresh & Balachandran, Kashi R.**336-345 A predictive model for the throughput of simple assembly systems***by*Baker, Kenneth R. & Powell, Stephen G.**346-356 Optimal control of a simple immigration-birth-death process through total catastrophes***by*Kyriakidis, E. G.**357-363 Optimal pest control through the introduction of a predator***by*Kyriakidis, E. G.**364-375 Resource-constrained job scheduling with recyclable resources***by*Shewchuk, John P. & Chang, T. C.**376-387 Scheduling on a two-machine flowshop subject to random breakdowns with a makespan objective function***by*Allahverdi, Ali & Mittenthal, John**388-398 Modified simulated annealing algorithms for the flow shop sequencing problem***by*Ishibuchi, Hisao & Misaki, Shinta & Tanaka, Hideo**399-409 A fuzzy satisficing method for large-scale linear programming problems with block angular structure***by*Sakawa, Masatoshi & Sawada, Kazuya & Inuiguchi, Masahiro**410-419 Special cases of the quadratic assignment problem***by*Chen, Bintong**420-429 The linear complementarity problem with a parametric input***by*Xiao, Baichun**430-439 A constrained Steiner tree problem***by*Rosenwein, Moshe B. & Wong, Richard T.**440-443 A direct approach for finding all efficient solutions for multiobjective programming problems***by*Youness, Ebrahim A.

### February 1995, Volume 81, Issue 1

**1-16 The analysis of survey data***by*Stack, Jim**17-34 A Decision Support System (DSS) for agricultural pesticide production planning***by*Elimam, A.A.**35-49 An integrated model for the development of marginal water sources in the Negev Desert***by*Brimberg, Jack & Mehrez, Abraham & Oron, Gideon**50-61 A heuristic approach to improving the design of nurse training schedules***by*Nooriafshar, Mehryar**62-75 A decision aid for coordinating fishing and fish processing***by*Randhawa, Sabah U. & Bjarnason, Einar T.**76-87 A decision support approach for negotiation with an application to agricultural income policy negotiations***by*Teich, Jeffrey E. & Wallenius, Hannele & Kuula, Markku & Zionts, Stanley**88-104 Multiple and bicriteria scheduling: A literature survey***by*Nagar, Amit & Haddock, Jorge & Heragu, Sunderesh**105-114 A two-phase model for planning the production of aluminum ingot***by*Bowers, M.R. & Kaplan, L.A. & Hooker, T.L.**115-133 Assignment of tools to machines in a flexible manufacturing system***by*D'Alfonso, Thomas H. & Ventura, Jose A.**134-142 Minimizing late jobs in the general one machine scheduling problem***by*Dauzere-Peres, Stephane**143-153 Optimization of order-up-to-S policies for two-level inventory systems with compound Poisson demand***by*Forsberg, Rolf**154-165 Bounds for nested knapsack problems***by*Johnston, Robert E. & Khan, Lutfar R.**166-175 A note on the rule for sequential selection***by*Mehrez, Abraham & Rabinowitz, Gad**176-187 A reference direction approach to multiple objective integer linear programming***by*Karaivanova, Jasmina & Korhonen, Pekka & Narula, Subhash & Wallenius, Jyrki & Vassilev, Vassil**188-204 Algodesk: An experimental comparison of eight evolutionary heuristics applied to the Quadratic Assignment Problem***by*Maniezzo, Vittorio & Dorigo, Marco & Colorni, Alberto**205-216 An algorithm for Quadratic Assignment Problems***by*Li, Wu-Ji & Smith, J. MacGregor**217-218 MINOS(IIS) version 4.2: Analyzing infeasibilities in linear programs***by*Chinneck, John W. & Saunders, Michael A.

### February 1995, Volume 80, Issue 3

**218-451 Productivity analysis: Parametric and non-parametric applications***by*Lewin, Arie Y. & Lovell, C. A. Knox**452-461 Econometric efficiency analysis: A policy-oriented review***by*Lovell, C. A. Knox**462-473 Components of efficiency evaluation in data envelopment analysis***by*Ali, Agha Iqbal & Lerme, Catherine S. & Seiford, Lawrence M.**474-499 Non-parametric efficiency, progress and regress measures for panel data: Methodological aspects***by*Tulkens, Henry & Vanden Eeckaut, Philippe**500-507 Decomposing efficiency into its managerial and its regulatory components: The case of European railways***by*Gathon, H. -J. & Pestieau, P.**508-518 Airline efficiency differences between Europe and the US: Implications for the pace of EC integration and domestic regulation***by*Good, David H. & Roller, Lars-Hendrik & Sickles, Robin C.**519-533 Efficiency of the Swedish pork industry: A farm level study using rotating panel data 1976-1988***by*Heshmati, Almas & Kumbhakar, Subal C. & Hjalmarsson, Lennart**534-547 Stochastic production frontiers and panel data: A latent variable framework***by*Ivaldi, Marc & Monier-Dilhan, Sylvette & Simioni, Michel**548-574 Evaluating physician efficiency in hospitals: A multivariate analysis of best practices***by*Chilingerian, Jon A.**575-587 Estimating output substitutability of hospital services: A distance function approach***by*Grosskopf, S. & Margaritis, D. & Valdmanis, V.**588-607 Exploring output quality targets in the provision of perinatal care in England using data envelopment analysis***by*Thanassoulis, E. & Boussofiane, A. & Dyson, R. G.**608-618 On the relative efficiency of alternative modes of producing a public sector output: The case of the developmentally disabled***by*Dusansky, Richard & Wilson, Paul W.**619-638 Strategic leaders or strategic groups: A longitudinal data envelopment analysis of the U.S. brewing industry***by*Day, Diana L. & Lewin, Arie Y. & Li, Hongyu**639-653 The technical efficiency of vacuum-pan sugar industry of India: An application of a stochastic frontier production function using panel data***by*Ferrantino, Michael J. & Ferrier, Gary D.**654-671 Cost efficiency in the US steel industry: A nonparametric analysis using data envelopment analysis***by*Ray, Subhash C. & Kim, Hiung Joon**672-690 Regional concentration and efficiency in Mexican manufacturing***by*Bannister, Geoffrey J. & Stolp, Chandler**691-702 Measuring technical progress with data envelopment analysis***by*Wei, Q. L. & Sun, Bruce & Xiao, Z. J.

### January 1995, Volume 80, Issue 2

**239-702 Integrating production lotsizing, inspection, and rework decisions: Useful models and applications***by*Tayi, Giri Kumar**240-251 Quality defaults and work-in-process inventory***by*Cordon, Carlos**252-263 Optimal recovery strategies for manufacturing systems***by*Kao, Jih-Forg**264-276 Production to order on a two machine line with random yields and rigid demand***by*Grosfeld-Nir, Abraham & Robinson, Lawrence W.**277-296 Specialized inspection problems in serial production systems***by*Rebello, Ranjit & Agnetis, Alessandro & Mirchandani, Pitu B.**297-307 Single bottleneck systems with proportional expected yields and rigid demand***by*Grosfeld-Nir, Abraham**308-327 The impact of defects on a process with rework***by*Agnihothri, Saligrama R. & Kenett, Ron S.**328-343 Economic purchasing strategies for temporary price discounts***by*Tersine, Richard J. & Barman, Samir**344-349 Processing networks with planned inventories: Tandem queues with feedback***by*Zipkin, Paul**350-356 The development of a rule based expert system model for fraud alert in consumer credit***by*Leonard, Kevin J.**357-364 The effect of axis rotation on distance estimation***by*Brimberg, Jack & Love, Robert F. & Walker, John H.**365-370 Using degree of consensus in two-level fuzzy pattern recognition***by*Kuncheva, Ludmila I.**371-380 Analysis of approximation algorithms for single-machine scheduling with delivery times and sequence independent batch setup times***by*Zdrzalka, Stanislaw**381-388 Scheduling to minimize the total resource consumption with a constraint on the sum of completion times***by*Li, Chung-Lun**389-396 An application of genetic algorithms for flow shop problems***by*Chen, Chuen-Lung & Vempati, Venkateswara S. & Aljaber, Nasser**397-403 Heuristics for scheduling a single machine subject to unequal job release times***by*Reeves, Colin**404-409 Bicriterion stochastic scheduling on one or more machines***by*Forst, Frank G.**410-417 Using AHP for resource allocation problems***by*Ramanathan, R. & Ganesh, L. S.**418-424 Some concave-convex representations of the quadratic assignment problem***by*White, D. J.**425-430 Symmetric duality for minimax nonlinear mixed integer programming***by*Kumar, V. & Husain, I. & Chandra, S.**431-438 An algorithm to determine boundedness of quadratically constrained convex quadratic programmes***by*Caron, Richard J. & Obuchowska, Wieslawa T.**439-445 A theorem on nonconvex functions and its application to vector optimization***by*Kaliszewski, Ignacy**446-450 The canonical order and greedy algorithms***by*Kovalev, M. M. & Vasilkov, D. M.

### January 1995, Volume 80, Issue 1

**1-450 Editorial***by*Mercer, Alan & Tilanus, Bernhard & Zimmermann, Hans-Jurgen**2-15 Corporate environmental and resource management: In search of a new managerial paradigm***by*Ulhoi, John P.**16-24 A location-distribution application for a beer company***by*Koksalan, Murat & Sural, Haldun & Kirca, Omer**25-33 OR in practice: Results of a survey in the United Arab Emirates***by*Kemp, Bernard J. & Yousef, Darwish A.**34-44 Financial ratio distribution irregularities: Implications for ratio classification***by*Martikainen, Teppo & Perttunen, Jukka & Yli-Olli, Paavo & Gunasekaran, A.**45-58 Air traffic management: High-low traffic intensity analysis***by*Velazco, Enio E.**59-67 Evaluating sampling strategy under two criteria***by*Ronen, Boaz & Spector, Yishay**68-76 An analytical model for the container loading problem***by*Chen, C. S. & Lee, S. M. & Shen, Q. S.**77-85 Competitive location with rectilinear distances***by*Infante-Macias, R. & Munoz-Perez, J.**86-93 Inverse inconsistency in analytic hierarchies***by*Dodd, F. J. & Donegan, H. A. & McMaster, T. B. M.**94-102 Semi-active, active, and non-delay schedules for the resource-constrained project scheduling problem***by*Sprecher, Arno & Kolisch, Rainer & Drexl, Andreas**103-111 Weighted flow time bounds for scheduling identical processors***by*Webster, Scott**112-120 Global lower bounds for flow shops with multiple processors***by*Santos, D. L. & Hunsucker, J. L. & Deal, D. E.**121-129 Nesting planning based on production priorities and technological efficiency***by*Maimon, Oded & Dayagi, Arie**130-138 Decision support system for the composition of the examination problem***by*Miyaji, Isao & Nakagawa, Yuji & Ohno, Katsuhisa**139-146 A polynomial-time algorithm for message routing in hierarchical communication networks***by*Polak, George G. & Ahuja, Ravindra K.**147-155 A submodular approach to discrete dynamic programming***by*Klein, C. M.**156-165 An algorithm for generating efficient solutions of multiobjective dynamic programming problems***by*Abo-Sinna, Mahmoud A. & Hussein, Mohammad L.**166-174 A discretizing algorithm for location problems***by*Carrizosa, E. J. & Puerto, J.