1. Loewy structure of permutation modules for p-groups;Alperin;Quart. J. Math. Oxford Ser. (2),1988
2. Projective modules, filtrations and Cartan invariants;Alperin;Bull. London Math. Soc.,1984
3. Representations and Cohomology I. Basic Representation Theory of Finite Groups and Associative Algebras;Benson,1998
4. The annihilator of radical powers in the modular group ring of a p-group;Hill;Proc. Amer. Math. Soc.,1970
5. Perfect Groups, with an Appendix by W. Hanrath;Holt,1989