00837cam0 2200253 450 00001526020181026125200.020080807d1957----km-y0itay50------baengUSCAGBy-------001yyThree essays on the state of economic scienceTjalling C. Koopmans\New YorkTorontoLondonMcGraw-Hill1957XI, 231 p.24 cm001000021724Three essays on the state of economic science35639336.0318Koopmans,Tjalling Charles<1910-1985>267365ITUNIPARTHENOPE20080807RICAUNIMARC000015260336.03/10515243NAVA4020/71115NAVA2Three essays on the state of economic science35639UNIPARTHENOPE