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.
John W. Lloyd, Rodney W. Topor. Making Prolog more Expressive. Journal of Logic and Algebraic Programming, 1(3):225-240, 1984.