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.
D. L. Overheu. An Abstract Machine for Symbolic Computation. Journal of the ACM, 13(3):444-468, 1966. [doi]
Abstract is missing.