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.
Richard Beigel, Bin Fu. Circuits over PP and PL. J. Comput. Syst. Sci., 60(2):422-441, 2000.