000			00355nam a22001334a 4500
082			_a301.321 SHE
100			_aSheps, Mindel C
245	1		_aMathematical models of conception and birth
260			_aChicago : _bThe University of Chicago Press. _c1973
300			_a428p. :
650			_aConception and Birth
700			_aMenken, Jane A
942			_cBK
999			_c303656 _d303656