Public Domain Tools for Modeling and Simulating Computer Networks. - John A. Hamilton Jr.; Gary R. Ratterree; Paul C. Brutch; Udo W. Pooch (Simul., 1996)

Mutual Authentication, Confidentiality, and Key Management (MACKMAN) System for Mobile Computing and Wireless Communication. - Tasneem G. Brutch; Paul C. Brutch (ACSAC, 1998)