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.
Lawrence Bernstein, C. M. Yuhas. Necessary Questions. J. Network Syst. Manage., 7(3):263-266, 1999.
Abstract is missing.