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 Bittner, Barry Smith. Vague Reference and Approximating Judgments. Spatial Cognition & Computation, 3(2-3):137-156, 2003. [doi]
Abstract is missing.