00758nam0 2200229 450 00001677120181001122127.020081001d1962----km-y0itay50------baengUSy-------001yy<<The >>production and distribution of knowledge in the United Statesby Fritz MachlupPrincetonPrinceton University press1962XIX, 416 p.24 cmStati Uniti d'AmericaIstruzione330.9819Machulp,Fritz631968ITUNIPARTHENOPE20081001RICAUNIMARC000016771330.98/11316073NAVA4Production and distribution of knowledge in the United States1201834UNIPARTHENOPE