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.
Ehud Gudes, Harvey S. Koch, Fred A. Stahl. Security in a Multi-Level Structured Model of a Data Base. Comput. J., 22(4):303-306, 1979.
Abstract is missing.