1. Specializations of representations of rings;Artin,1978
2. Integral ring homomorphisms;Artin;Adv. in Math.,1981
3. G. M. Bergman, unpublished.
4. An example of the nontransitivity of Schelter-integral ring extensions;Bergman,1980
5. P.I. degrees and prime ideals;Bergman;J. Algebra,1975