00311nam a2200109Ia 4500008004100000082001700041100001900058245003200077260003600109300002100145440003500166260908b        |||||||| |||| 00| 0 eng d  a514bEv93.CG  aEvens, Leonard  aThe cohomology of groupsb/  aOxford:bClarendon Press,c1991  axii, 159p. Index  aOxford Mathematical monographs