00657nam0-2200229 --450 991023135800332120171212091227.020171212d1968----km y0itay50 baengUSy 001yyGeneral system theoryfoundations, development, applicationsby Ludwig von BertalanffyNew YorkBraziller1968XV, 289 p.22 cmBertalanffy,Ludwig : von68747ITUNINAREICATUNIMARCBK9910231358003321II 1862289DINEDDINEDGeneral system theory15930UNINA