00723nam0-22002531i-450-990003907540403321000390754FED01000390754(Aleph)000390754FED0100039075420020509d1966----km-y0itay50------baengUSEssays in normative economicsBergson AbramHarvardThe Belknap press of Harvard university Press1966246 p22 cmBergson,Abram<1914-2003>103256ITUNINARICAUNIMARCBK990003907540403321A01.162.4192DECTSDECTSEssays in Normative Economics464423UNINA