A partitioning method for grid file directories. - Sei H. Chun; George E. Hedrick; Huizhu Lu; D. D. Fisher (COMPSAC, 1989)

Multiple representation of abstract data types and reuse of realizations. - H. M. Al-Haddad; K. M. George; George E. Hedrick; D. D. Fisher (SAC, 1992)

A hierarchical single-key-lock access control using the Chinese remainder theorem. - Kim S. Lee; Huizhu Lu; D. D. Fisher (SAC, 1992)