000			00334nam a2200121Ia 4500
008			140113s9999 xx 000 0 und d
082			_a63:33 K4
100			_a"Heady, Earl.O."
245			_aEconomics of agricultural Production and resource use.
260			_a1964 _bPrentice Hall of India _cNew Delhi
300			_a850
942			_cBK
999			_c57311 _d57311