Bernadette Mullins, Finiteness Theorems for Factorization in Integral Domains, May 1995. Roy Quintero, Some Generalizations of GCD-domains, May 1997. Joe Stickles, Commutative Rings with Finitely Generated Multiplicative Semigroup, July 1998. Sylvia Cook, Two Star Operations and their Induced Lattices, July 1999. Factorization in Integral Domains , Marcel Dekker, New York, 1997.
Unique factorization rings with zero divisors.