000			00335nam a2200145Ia 4500
008			170101s1980 xx 000 0 und d
082			_a631.53 M49T
100			_aMAYO, O
245		0	_aTheory of plat breeding
260			_bOxford _c1980
300			_a293p
650			_aPLANT BREEDING
653			_aPLANT BREEDING
942			_2ddc _cB
999			_c81471 _d81471