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.
Krzysztof R. Apt, Alessandro Pellegrini. On the Occur-Check-Free Prolog Programs. ACM Transactions on Programming Languages and Systems, 16(3):687-726, 1994. [doi]
Abstract is missing.