1. The Modeling Issues Inherent in Testing and Evaluating Knowledge-Based Systems;Bellman;Exp. Syst. Appl. J.,1990
2. An approach to integrating and creating flexible software environments supporting the design of complex systems;Bellman,1991
3. Proceedings of the Artificial Intelligence in Logistics Meeting;Bellman,1993
4. The challenges in testing heterogeneous software environments;Bellman,1993
5. A knowledge-based approach to the conceptual design of space systems;Bellman,1988