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.
Nicholas Pippenger, Michael J. Fischer. Relations Among Complexity Measures. Journal of the ACM, 26(2):361-381, 1979. [doi]
Abstract is missing.