Problems of points of inflection in trend functions as described by a model for the forecast of brand shares Werner Kroeber-RielSighard Roloff OriginalPaper Pages: 222 - 230
Invariant structures of prognosis curves in Forrester's World Dynamics Helmut MaierWerner Hugger OriginalPaper Pages: 231 - 261
Epidemical spread of scientific objects: An attempt of empirical approach to some problems of meta-science Maria Nowakowska OriginalPaper Pages: 262 - 297
Comments on Dr. Vetter's paper ‘deontic logic without deontic operators’ Herbert Keuth Discussion Pages: 298 - 310
Bemerkungen Zu J. Rödig's ‘Kritik des normlogischen schliessens’ Ota Weinberger Discussion Pages: 311 - 317