000			00353nam a2200157Ia 4500
008			170101s1953 xx 000 0 und d
082			_a591.16 B49S
100			_aBERRILL, N.J
245		0	_aSex and the nature of things
260			_bN.Y. _c1953
300			_a256p
650			_aGENETICS
653			_aGENETICS
653			_aZOOLOGY
942			_2ddc _cB
999			_c3136 _d3136