1. Modules with decompositions that complement direct summands;Anderson;J. Algebra,1972
2. Rings and Categories of Modules;Anderson,1992
3. Finite Rank Torsion-free Abelian Groups and Rings;Arnold,1982
4. Butler groups, representations of finite posets, and modules over multiple pullback rings;Arnold,1993
5. Indecomposable modules over Nagata valuation domains;Arnold,1994