00543nam a2200169Ia 4500008004100000082001400041100001900055245003800074260003000112300001500142600003700157600003300194650002800227942000700255952009400262999001700356140224s9999    xx            000 0 und d  a338:63 K1  aHeady, Earl O.  aAgricultural production functions  aLudhianabKalyanicc 1961  aviii,667p.  a Earl O.Heady and John L.Dillon.  aDillon, John, L., jt. author  aAgricultural production  cBK  00104070aKSDbKSDd2014-02-24l0o338:63 K1p1592r2014-02-24 00:00:00w2014-02-24yBK  c91273d91273