00941nam0-22003131i-450-99000385544040332120100118165446.0000385544FED01000385544(Aleph)000385544FED0100038554420030910d1961----km-y0itay50------baengUSAgricultural production functionsEarl O. Heady, John L. DillonAmes, IowaIowa State University Press1961viii, 667 p.ill.24 cmProduzione agricolaFunzioniHeady,Earl Orel<1916- >79005Dillon,John L.358882ITUNINARICAUNIMARCBK990003855440403321H/1.10 HEA/21679/ISESH/1.10 HEA026253SESH/1.10 HEA/1036796SESSESAgricultural production functions514826UNINA