1. D. M. Arnold and M. Dugas, manuscript.
2. W. Brandal, Commutative rings whose finitely generated modules decompose, Lecture Notes in Math. 723, (Springer, 1979).
3. R. Camps and W. Dicks, On semi-local rings, Israel J. Math. 81 (1993), 203–211.
4. C. W. Curtis and I. Reiner, “Methods of Representation Theory”, I and II, Wiley Interscience, New York, 1981 and 1987.
5. A. Facchini, D. Herbera, L. S. Levy and P. Vãmos, Krall-Schmidt fails for Artinian modules, Proc. Amer. Math. Soc. (to appear).