00565nam a2200181Ia 4500082001700000100002100017245005700038260004800095300002600143490005500169500000500224690000600229700000500235952009900240964001700339921001000356999001700366  a514bC678.CG  aCohan, Daniel E.  aCombinatorial group theory; a topological approachb  aCambridgebCambridge University Pressc1989  ax, 310p. Index, Bibl.  aLondon Mathematical Society student textsv no. 14  a  a   a  00104070aISIbISId1998-09-15l0o514 C678.CGpDP21562r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a10978  c10978d10978