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.
Reiner Durchholz. Relation Representation by Tables and by Functions. Inf. Syst., 1(3):91-96, 1975.
Abstract is missing.