Book reviews. - Helmut Wegmann; R. Horst; J. Falkinger; Gerhard E. Tutz; Hans Laux; Heinz W. Engl; Anatol Rapoport (Z. Oper. Research, 1985)

Book reviews. - A. Wakolbinger; R. Horst (ZOR Methods Model. Oper. Res., 1988)