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.
Klaus Benecke. Spezifikation parametrisierter Datentypen. Math. Log. Q., 29(2):83-96, 1983. [doi]