000			00352nam a2200145Ia 4500
008			170207s9999 xx 000 0 und d
082			_a574.8732 CRE-S
100			_aCrew, F A E
245			_aSex determination
260			_bJohn Wiley & Sons, London
260			_c1933
300			_a138
650			_aChromosomes; Cytology; Biology
942			_cBOOKS
999			_c1669 _d1669