00513nam a2200181Ia 4500008004100000020001500041082001600056100001900072245007800091260004700169300001000216650001400226650002000240650001600260650002100276650001400297700002000311170901s1988    xx            000 0 und d  a8170961297  a338.1bH46A  aHeady, Earl O. 0aAgricultural Production Functions / cby Earl O. Heady and John L. Dillon  a.- New Delhib: Kalyani Publishersc, 1988  a667p.  aEconomics  aSocial sciences  aAgriculture  aEconomic Aspects  aBook Bank  aDillon, John L.