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.
Alan J. Demers, James E. Donahue, Glenn Skinner. Data Types as Values: Polymorphism, Type-Checking, Encapsulation. In POPL. pages 23-30, 1978.
Abstract is missing.