000			00336nam a2200145Ia 4500
008			170101s1971 xx 000 0 und d
082			_a591.33 W53A
100			_aWILLIER, Benjamin H
245		0	_aAnalysis of development
260			_bN.Y _c1971
300			_a735p
650			_aEMBRYOLOGY
653			_aEMBRYOLOGY
942			_2ddc _cB
999			_c45164 _d45164