General Systems Theory by Ludwig von Bertalanffy Gathered here are Ludwig von Bertalanffy's writings on general system theory, selected and edited to show the evolution of systems theory and to present its applications to problem solving. An attempt to formulate common laws that apply to virtually every scientific field, this conceptual approach has had a profound impact on such widely diverse disciplines as biology, economics, demography, and psychology. A German-Canadian biologist and philosopher, von Bertalanffy (1901-1972) was the creator and echief exponent of general system theory. PA, ISBN: 0807604534 $15.95 (Can: $24.00)