1. Heller, A. S., Heller, R. A., and Freudenthal, A. M., “Random Fatigue Failure of a Multiple Load Path Redundant Structure,” Proc. Tenth Sagamore Army Materials Conference, 187 (1964); also Air Force Systems Command, ML-TDR-64-160.
2. Heller, R. A., and Heller, A. S., “Fatigue Life and Reliability of a Redundant Structure,” Annals of Reliability and Maintainability,4,881–895; also Institute for the Study of Fatigue and Reliability, TR No. 17, Columbia University (1965).
3. Heller, R. A., and Donat, R. C., “Experiments on the Fatigue Failure of a Redundant Structure,” Amer. Soc. Test. Mats. Special Tech. Publication STP 404 (1966); also Institute for the Study of Fatigue and Reliability, TR No. 26, Columbia University (1965).
4. Thompson, N., “Fatigue in Aircraft Structures,”Academic Press, 43,New York (1956).
5. Bazovsky, I., “Reliability: Theory and Practice,” Prentice-Hall (1961).