000			00300nam a22001337a 4500
999			_c8122 _d8122
022			_a0719528305
082			_a574
100			_aMackean.D.G
245			_aIntroduction to biology
260			_aLondon _bJohn murray _c1962
300			_a224pg _bill,picture,,index,30cm
650			_aBiology
942			_cBK