382 European Journal of Operational Research 54 (1991) 382-383 North-Holland Contents Volume 54 One time only incentives and inventory policies (/nvited Review) S.K. Goyal, G. Srinivasan and F.J. Arcelus The pickup and delivery problem with time windows Y. Dumas, J. Desrosiers and F. Soumis On the computational complexity of (maximum) class scheduling A.W.J. Kolen and L.G. Kroon Tabu search for large scale timetabling problems A. Hertz MAPPAC as a compromise between outranking methods and MAUT B. Matarazzo Applications of the parametric programming procedure N. Bryson Proper efficiency in nonconvex vector-maximization-problems K. Belkeziz and M. Pirlot Generalized Nash games and quasi-variational inequalities P.T. Harker 95 A new approach to uncertain parameter linear programming Y. Yang 115 Water needs for irrigation based on soil water negative pressure - A renewal theory application on potatoes C. Sapountzis 121 Consistency of infinitesimal perturbation analysis for the GI/G/m queue M.C. Fu and J.-Q. Hu 140 OR Software ORSEP - Operations Research Software Exchange Program, H.W. Hamacher (ed.) 141 Cutting stock problems and solution procedures (/nvited Review) R.W. Haessler and P.E. Sweeney 151 A heuristic approach to the lumber allocation problem in hardwood dimension and furniture manufacturing S.U. Foronda and H.F. Carino 163 System planning and configuration problems for optimal system design C.S. Tang and S.-C. Yoo 176 A framework for sensitivity analysis in discrete multi-objective decision-making D. Rios Insua and S. French 191 A multiple criteria decision model with ordinal preference data W.D. Cook and M. Kress 199 Transformation and restructuring of linear multiobjective programs. A fundamental method to resolve complex problems I.S. Chien and P.L. Yu 210 The continuous modular design problem with linear separable side constraints J. Goldberg 227 Two algorithms for maximizing a separable concave function over a polymatroid feasible region H. Groenevelt 237 Parametric nonlinear integer programming: The right-hand side case M.-S. Chern, R.-H. Jan and R.-J. Chern 256 Analyses of an M/M/N queue with servers’ vacations E.P.C. Kao and K.S. Narayanan 267 EURO Bulletin, Ph. van Asbroeck (ed.) Special Issue on Visual Interactive Modelling 273 Editorial V. Belton and M. Elder 274 Visual interactive modelling: The past, the present, and the prospects P.C. Bell 287 Visual interactive simulation as a communication tool — A case study K. Porter 383 WITNESS: Unlocking the power of visual interactive simulation M.F. Clark 299 Development and use of a visual interactive planning board within Alcan Aluminium L.J. Walker and J.D. Woolven 306 An animated interactive modelling system for decision support I. Buchanan and K. McKinnon 318 BANKADVISER: An industrial evaluation system B. Mareschal and J.P. Brans 325 Enhancing point-of-sale productivity and satisfaction in retail stores M.R. Lembersky 330 Visual interactive financial models: An overview of microcomputer software offerings and discussion of potential decision support D.C. Parker 339 Interaction with a visual interactive simulation, and the effect of cognitive style R.M. O'Keefe and L.L. Pitt 349 Intelligent Visual Interactive Modelling R.D. Hurrion 357 Whither VIM? - A developer’s view J.G. Bright and K.J. Johnston 363 Short Books Reviews, L.F. Gelders (ed.) 365 EURO Bulletin, Ph. van Asbroeck (ed.) 371 Book Reviews, L.F. Gelders (ed.) 382 Contents Volume 54