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.
Matthias Felleisen, Daniel P. Friedman. A Syntactic Theory of Sequential State. Theoretical Computer Science, 69(3):243-287, 1989.