00496nam a2200133Ia 4500082001800000100012300018245006600141260004800207300001400255440005700269500000500326653000600331700002500337  a514bSy989.HG  aSymposium on Homological and Combinatorial Techniques in Group Theory, London Mathematical Society, Durham, Sept. 1977  aHomological group theory; proceedingsbcEd. by C. T. C. Wall  aCambridgebCambridge University Pressc1979  aix, 394p.  aLondon Mathematical Societyxlecture note seriesv36  a  a   aWall, C. T. C. ; ed.