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.
Thomas Studer. Common knowledge does not have the Beth property. Inf. Process. Lett., 109(12):611-614, 2009. [doi]
Abstract is missing.