00840nam0-22002891i-450099000180044040332120170208151423.0000180044FED01000180044(Aleph)000180044FED0100018004420021010d1952----km-y0itay50------baitaEconomics of agricultural production and resource useEarl O. Heady.Englewood CliffPrintice-Hall1952VIII, 850 p.23 cmEconomia agraria333Heady,Earl Orel<1916- >79005ITUNINARICAUNIMARCBK99000180044040332160 333 B 2345893FAGBCFAGBCEconomics of agricultural production and resource use411384UNINAING01