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.
Johannes Köbler, Uwe Schöning, Seinosuke Toda, Jacobo Torán. Turing Machines with few Accepting Computations and low Sets for PP. In Structure in Complexity Theory Conference. pages 208-215, 1989.