Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Marco Cadoli, Maurizio Lenzerini. The Complexity of Propositional Closed World Reasoning and Circumscription. J. Comput. Syst. Sci., 48(2):255-310, 1994.
Abstract is missing.