1. and , Mathematical Theory of Reliability, (John Wiley, New York 1965).
2. “A Surveillance Model for Recurrent Events,” IBM Watson Research Center Report (1963).
3. , and , “Optimal Maintenance of Stochastically Failing Equipment,” The Rand Corporation, R-437-PR (1966).
4. and , “Optimization of Inspection Policies by Classical Methods,” Proceedings of the Third Annual Conference on Operations Research, 1969 (Gordon and Breach, New York, 1970).
5. Mimeograph Se;Kander,1970