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.
Gonzalo E. Reyes. A Topos-Theoretic Approach to Reference and Modality. Notre Dame Journal of Formal Logic, 32(3):359-391, 1991.
Abstract is missing.