1. Fatigue tests in axial compression;Newmark,1951
2. Residual Stresses and Fatigue in Metals;Almen,1963
3. Analysis of non-propagating cracks in notched parts with compressive mean stress;Gerber;J. Mater.,1968
4. R. E. Lewis, unpublished results, Lockheed Palo Alto Research Laboratory, Palo Alto, CA (1968).
5. paper presented at the Golden Gate Conference,1968