000			00354nam a2200121Ia 4500
008			240112s9999 xx 000 0 und d
082			_aEFF-P _b658.963
100			_aEfferson, Norman J
245		0	_aPrinciples of farm management
260			_a New York _bMcGraw-Hill Book Company _c1953
650			_aFarm management; Agricultural management
942			_cBK
999			_c38790 _d38790