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.
Paolo Liberatore. On the complexity of extension checking in default logic. Inf. Process. Lett., 98(2):61-65, 2006. [doi]
Abstract is missing.