000			00327nam a2200133Ia 4500
008			180710s9999 xx 000 0 und d
020			_a78038
082			_a574 _bLEV
100			_aLEVY, Charles K
245			_aElements of biology
260			_aMassachusetts _bAddision wesly _c1973
300			_axv,438 p., illus.
942			_cS
999			_c62486 _d62486