The book presents the results of the joint annual conference of the four Operations Research Societies DGOR, GM\OR, \GOR and SVOR, held in Vienna in 1990. The m

Die schon seit einigen Jahren beobachtbare erfreuliche Tendenz, daB die Jahrestagungen der Deutschen Gesellschaft fOr Operations Research zunehmend von allen In

Zoologists have categorized primates into a single order, and no one doubts today that they share a common ancestry. Humans and Old and New World non human prim