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.
Mike Stannett. X-Machines and the Halting Problem: Building a Super-Turing Machine. Formal Asp. Comput., 2(4):331-341, 1990.