000 00311nam a2200133Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a338.1
100 _aHEADY, Earl.O.
245 0 _aAgricultural Production Function
260 _aIndia
_bKalyani pub
_c1961
300 _a667p.
942 _cSR
999 _c74925
_d74925