000			00281nam a2200133Ia 4500
100			_aCurtis, Helena
020			_a0-87901-100-9
250			_a3rd ed
942			_cBK
245			_aBiology
260			_aWorth publishers, New York _c1979
082			_a574 Cur
300			_axxx,1043p
999			_c61598 _d61598