000			00329nam a2200109 4500
245			_aHomology an unsolved problem _cSir Gavin de Beer
100			_aBeer, Gavin de
260			_aLondon _bOxford University Press _c1971[reprinted 1974]
300			_a15p.: ill; 25cm.-
490			_aOxford biology readers; no.11
082			_a591.3 _bBEE
999			_c30912 _d30912