000			00325nam a2200133Ia 4500
008			170101s1990 xx 000 0 und d
020			_a8170891256
082			_a575.13 LAN
100			_aLange, W
245		0	_aEfficiency in plant breeding
260			_aDehra Dun _bInternational _c1990
300			_aP.383
942			_2ddc _cBK
999			_c45731 _d45731