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.
Bogdan S. Chlebus. Turing Machines With Access to History. Inf. Comput., 89(2):133-143, December 1990.
Abstract is missing.