EUROPEAN JOURNAL OF OPERATIONAL as RESEARCH LSEVIER European Journal of Operational Research 107 (1998) 759-761 Contents Volume 107 A generalized linear programming model for nurse scheduling B. Jaumard, F. Semet and T. Vovor End-of-life service: A case study R.H. Teunter and L. Fortuin The ‘final order’ problem R.H. Teunter and W.K. Klein Haneveld Privatization of Nippon Telegraph and Telephone: Was it a good policy decision? T. Sueyoshi Technical efficiency and economies of scale in state owned enterprises: The Hellenic telecommunications organisation A.D. Athanassopoulos and D. Giokas Improving heuristics for the frequency assignment problem D.H. Smith, S. Hurley and S.U. Thiel A soft dynamic programming approach for on-line aircraft 4D-trajectory optimization P. Hagelauer and F. Mora-Camino A mathematical programming viewpoint for solving the ultimate pit problem R. Underwood and B. Tolwinski 108 An MCDM approach to production analysis: An application to irrigated farms in Southern Spain J. Berbel and A. Rodriguez-Ocaria 119 An interactive reservoir management system for Lake Kariba A. Stam, K.A. Salewicz and J.E. Aronson 137 A hybrid inexact-stochastic water management model G.H. Huang 159 Evaluating environmentally conscious business practices J. Sarkis 175 Optimal solution of cellular manufacturing system design; Benders’ decomposition approach S.S. Heragu and J.-S. Chen 193 On evaluating the performance of GSS: Furthering the debate P.N. Finlay 202 Estimating NPV variability for deterministic models W.J.H. van Groenendaal 214 The greater whole: Towards a synthesis of system dynamics and soft systems methodology D.C. Lane and R. Oliva 236 The single-vendor single-buyer single-buyer integrated production-inventory model with generalised policy RM. Hill 237 OR Software H. Thiriez 243 Book reviews H. Fleuren (ed. ) 247 Editorial J. Weglarz and J. Jozefowska 250 The resource constrained project scheduling problem with multiple crashable modes: A heuristic procedure T. Ahn and S.S. Erenguc Contents Volume 107 Heuristics for multimode scheduling problems with dedicated resources L. Bianco, P. Dell’'Olmo and M.G. Speranza A branch and bound algorithm for the resource-constrained project scheduling problem P. Brucker, S. Knust, A. Schoo and O. Thiele Multi-resource shop scheduling with resource flexibility S. Dauzere-Péres, W. Roux and J.B. Lasserre Classical and new heuristics for the open-shop problem: A computational evaluation C. Guéret and C. Prins Interactive analysis of multiple-criteria project scheduling problems M. Hapke, A. Jaszkiewicz and R. Stowinski Minimization of the makespan in a two-machine problem under given resource constraints A. Janiak On a methodology for discrete-continuous scheduling J. Jozefowska and J. Weglarz Local search metaheuristics for discrete-continuous scheduling problems J. Jozefowska, M. Mika, R. Rézycki, G. Waligéra and J. Weglarz Minimizing the number of vehicles in periodic scheduling: The non-Euclidean case V. Kats and E. Levner Two-machine shop scheduling with zero and unit processing times I.N. Lushchakova and S.A. Kravchenko Branch and bound crossed with GA to solve hybrid flowshops M.-C. Portmann, A. Vignier, D. Dardilhac and D. Dezalay Distributed scheduling using simple learning machines F. Seredyhski A bicriteria two-machine permutation flowshop problem F. Sivrikaya-Serifoglu and G. Ulusoy Multi-mode resource-constrained project scheduling by a simple, general and powerful sequencing algorithm A. Sprecher and A. Drexl On the optimal management of project risk L.V. Tavares , J.A.A. Ferreira and J.S. Coelho Pre-processing techniques for resource allocation in the heterogeneous case V. Valls, M.A. Perez and M.S. Quintanilla Optimization analysis for design and planning of multi-project programs V.D. Wiley, R.F. Deckro and J.A. Jackson Multi-attribute decision making: A simulation comparison of select methods S.H. Zanakis, A. Solomon, N. Wishart and S. Dublish A branch and bound algorithm for fixed zero-one multiple objective linear programming G. Mavrotas and D. Diakoulaki Choosing realistic values of indifference, preference and veto thresholds for use with environmental criteria within ELECTRE M. Rogers and M. Bruen A new system for weighting environmental criteria for use within ELECTRE III M. Rogers and M. Bruen An interactive fuzzy satisficing method for multiobjective 0-1 programming problems with fuzzy numbers through genetic al- gorithms with double strings M. Sakawa and T. Shibano An interactive fuzzy satisficing method for structured multiobjective linear fractional programs with fuzzy numbers M. Sakawa and K. Kato An interactive fuzzy satisifcing method for large scale multiobjective 0—1 programming problems with fuzzy parameters through genetic algorithms K. Kato and M. Sakawa Reference direction interactive method for solving multiobjective fuzzy programming problems C. Mohan and H.T. Nguyen A tolerance approach to the fuzzy goal programming problems with unbalanced triangular membership function J.S. Kim and K.-S. Whang An approximate approach of global optimization for polynomial programming problems H.-L. Li and C.-T. Chang Contents Volume 107 Infeasibility analysis for systems of quadratic convex inequalities W.T. Obuchowska Lexicographic improvement of the target values in convex goal programming R. Caballero, L. Rey and F. Ruiz A lexicographic approach to bi-objective loading of a flexible assembly system T. Sawik On a variant of lexicographic multi-objective programming J.K. Sankaran Duality in multiobjective nonlinear programming involving semilocally convex and related functions S.K. Suneja and S. Gupta Multiobjective symmetric duality with cone constraints D.S. Kim, Y.B. Yun and W.J. Lee Optimal system design with MC? linear programming: A dual contingency plan approach Y. Shi Newton’s method for linear inequality systems M.C¢. Pinar The role of the augmented system in interior point methods I. Maros and Cs. Meszaros A class of differential games which admits a feedback solution with linear value functions D.W.K. Yeung Book Reviews H. Fleuren (ed. ) Contents Volume 107