00973nam a2200265 i 450099100075567970753620020507173155.0930517s1989 uk ||| | eng 0521349362b10752857-39ule_instLE01301849ExLDip.to MatematicaengAMS 20FCohen, Daniel E.55605Combinatorial group theory :a topological approach /Daniel E. CohenCambridge :Cambridge University Press,1989x, 310 p. ;23 cm.London Mathematical Society. Student texts ;14Combinatorial group theory.b1075285723-02-1728-06-02991000755679707536LE013 20F COH11 (1989)12013000114002le013-E0.00-l- 00000.i1084646328-06-02Combinatorial group theory79596UNISALENTOle01301-01-93ma -enguk 01