Decision making with multiple objectives: Proceedings of the Sixth International Conference on Multiple-Criteria Decision Making, Held at the Case Western Reserve University, Cleveland, Ohio, USA, June 4–8, 1984: Yacov Y. HAIMES and Vira CHANKONG (eds.) Volume 242 in: Lecture Notes in Economics and Mathematical Systems, Springer, Berlin, 1985, xi + 571 pages, DM90.00