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.
Hans-Jürgen Hoehnke. Quasi-varieties: A special access. Studia Logica, 78(1-2):249-260, 2004. [doi]
Abstract is missing.