1. Rings and categories of modules;Anderson,1992
2. On serial rings;Drozd;Matheamticheskie zametki,1975
3. Relative injectivity and pure-injective modules over Prüfer rings;Facchini;J. Algebra,1987
4. Modules Over Valuation Domains;Fuchs,1985
5. Kaplansky's problem on valuation rings;Fuchs,1989