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.
Juris Hartmanis, Yaacov Yesha. Computation Times of NP Sets of Different Densities. Theoretical Computer Science, 34:17-32, 1984.