EUROPEAN JOURNAL ed OF OPERATIONAL eS tel ‘i RESEARCH ELSEVIER European Journal of Operational Research 103 (1997) 635-636 Contents Volume 103 Quantitative models for reverse logistics: A review M. Fleischmann, J.M. Bloemhof-Ruwaard, R. Dekker, E. van der Laan, J.A.E.E. van Nunen and L.N. Van Wassenhove A network approach to trip frequency scheduling for bus routs in heavily congested cities M. Sinclair and D.L. van Oudheusden Estimating returns to scale in DEA B. Golany and G. Yu A Multicriteria Decision Aid approach for energy planning problems: The case of renewable energy option E. Georgopoulou, D. Lalas and L. Papagiannakis Nervousness in inventory management: Comparison of basic control rules T. de Kok and K. Inderfurth The option value of advanced R&D E. Pennings and O. Lint A multi-level composite heuristic for the multi-depot vehicle fleet mix problem S. Salhi and M. Sari A two-machine preemptive openshop scheduling problem: An elementary proof of NP-completeness AA. Gladky Allocation of warehouse inventory with electronic data interchange and fixed order intervals R. Ernst and B. Kamrad An efficient heuristic for scheduling in a flowshop to minimize total weighted flowtime of jobs C. Rajendran and H. Ziegler An evaluation of due date, resource allocation, project release, and activity scheduling rules in a multiproject environment K.-K. Yang and C.-C. Sum Multifleet routing and multistop flight scheduling for schedule perturbation S. Yan and Y.-p. Tu Relative risk—value models J.S. Dyer and J. Jia Handling missing prices in a thinly traded stock market: implications for the specification of event study methods J.-P. Kallunki A tabu search Hooke and Jeeves algorithm for unconstrained optimization K.S. Al-Sultan and M.A. Al-Fawzan Exact algorithms for the stochastic shortest path problem with a decreasing deadline utility function 1. Murthy and S. Sarkar Investigation of path-following algorithms for signomial geometric programming problems H.-H. Yang and D.L. Bricker An analysis of the impact of chaotic dynamics on management information flow models C. Riggle and G. Madey Models for |-out-of Q systems with stochastic lead times and expedited ordering options for spares inventory T. Dohi, T. Shibuya and S. Osaki OR Software H. Thiriez Artificial intelligence tools for decision support systems ( Editorial) C. Rosenthal-Sabroux and P. Zarate A comparative study of methodologies for designing IDSSs A. Blair, J. Debenham and J. Edwards Contents Volume 103 Knowledge acquisition issues in the design of decision support systems in quality control V. Deslandres and H. Pierreval Comparison of some AI and statistical classification methods for a marketing case D. Montgomery, G. Swinnen and K. Vanhoof Driving Tabu Search with case-based reasoning S. Grolimund and J.-G. Ganascia Financial decision support with hybrid genetic and neural based modeling tools N. Kumar, R. Krovi and B. Rajagopalan Supporting a complex audit judgment task: An expert network approach J.T. Davis, A.P. Massey and R.E.R. Lovell Il A framework for group decision support systems: Combining AI tools and OR techniques N.1. Karacapilidis and C.P. Pappis Negotiation support systems: A multi-criteria and multi-agent approach B. Espinasse, G. Picolet and E. Chouraqui Q-analysis for modeling and decision making L. Duckstein and S.A. Nobe Two engineering applications of a constrained shortest-path model AA. Elimam and D. Kohler Heuristics for scheduling in a Kanban system with dual blocking mechanisms B. Sharadapriyadarshini and C. Rajendran Role of design-philosophies in interfacing manufacturing with marketing N. Balakrishnan, A.K. Chakravarty and S. Ghose Does cooperation in auditing matter?A comparison of a non-cooperative and a cooperative game model of auditing J. Cook, D. Hatherly, L. Nadeau and L.C. Thomas Ensuring quality in resource constrained project scheduling O. Icmeli-Tukel and W.0. Rom Tool planning models for flexible manufacturing systems Z.M. Mohamed and J.J. Bernardo Storage controlled pile-up systems, theoretical foundations J. Rethmann and E. Wanke Simulation techniques for the sensitivity analysis of multi-criteria decision models J. Butler, J. Jia and J. Dyer A branch and bound algorithm for the two-stage assembly scheduling problem A.M.A. Hariri and C.N. Potts Reordering strategies for a newsboy-type product H.-S. Lau and A.H.-L. Lau Optimal ordering and pricing policies in a single-period environment with multivariate demand and markdowns T.L. Urban and R.C. Baker The asymptotic value-to-capacity ratio for the multi-class stochastic knapsack problem T.-E. Lee and G.T. Oh Dynamic server assignment in a two-queue model O.J. Boxma and D.G. Down Minimizing waiting times in integrated fixed interval timetables by upgrading railway tracks K. Nachtigall and S. Voget Operations research applications in Taiwan: A linguistic approach C. Kao and §S.-T. Liu Contents Volume 103 Acknowledgement to Referees Invited Reviews 1993-1997 Feature Issues | 988-1997 Keyword Index Volumes 96-103 Author Index Volumes 96-103 Book Review Index Volumes 96-103