1. Galois representations attached to mod p cohomology of GL(n,Z);Ash;Duke Math. J.,1992
2. Cohomology of Finite Groups;Adem,1994
3. Cohomology of arithmetic groups and congruences between systems of Hecke eigenvalues;Ash;J. Reine Angew. Math.,1986
4. Cohomology of Groups;Brown,1982
5. The Cohomology of Groups;Evens,1991