000			00346nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0-394-31093-4
041			_aen
082			_a574
100			_aDAVID, Kirk
245		0	_aBiology Today
250			_a2nd ed
260			_aU.S.A _bRandom House, Inc _c1972
300			_axi, 847p.
942			_cLL
999			_c171 _d171