1. Decomposition of exterior and symmetric powers of indecomposable ZpZ-modules in characteristic p and relations to invariants, Séminaire P. Dubreil;Almkvist,1978
2. On rings of invariants of non-modular abelian groups;Campbell,1994
3. Polynomial algebras over the Steenrod algebra;Campbell;Comment. Math. Helv.,1990
4. Invariant theory;Springer,1977