000			00297nam a2200121Ia 4500
005			20260224040834.0
008			260224s9999||||xx |||||||||||||| ||und||
082			_a633 RAE
100			_aRae, A.N.
245		0	_aCrop management economics
260			_aNew York: Springer-Verlag, _c1977
942			_cBK
999			_c1437 _d1437