00822nam0 2200241 450 00001785520081022103751.020081020d1952----km-y0itay50------baengUSa-------001yyCyberneticscircular causal and feedback mechanisms in biological and social systemsedited by Heinz Von Foerstertransactions of the 8th Conference, March 15-16, 1951, New York (N.Y.)New YorkJosiah Macy Jr. Foundation1952XX, 240 p.ill.24 cmCybernetics56625Cibernetica001.5319Foerster,Heinz : VonITUNIPARTHENOPE20081020RICAUNIMARC000017855001.53/10511744NAVA1Cybernetics56625UNIPARTHENOPE