1. Information Security: An Integrated Collection of Essays,1995
2. Supporting access control in an object-oriented database language;Ahad,1992
3. Planar lattice security structures for multilevel replicated databases;Ammann,1994
4. Achieving stricter correctness requirements in multilevel secure databases;Atluri,1993
5. Naming and grouping privileges to simplify security management in large databases;Baldwin,1990