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.
P. D. Page. An old-line proof checker operating under APL/360, with educational applications in logic, mathematics, and computer science. ACM SIGAPL APL Quote Quad, 3(2-3):30-34, 1971. [doi]
Abstract is missing.