1. R. W. Landgraf: T. & A.M. Report No. 320, Dept. of Theoretical and Applied Mechanics, Univ. of IIIinois, 1968.
2. R. W. Landgraf, M. R. Mitchell, and N. R. LaPointe:Monotonic and Cyclic Properties of Engineering Materials, Metallurgy Dept., Ford Scientific Re- search Staff, Dearborn, Michigan, June 1972.
3. P. N. Thielen, M. E. Fine, and R. A. Fournelle:ActaMet., 1976, vol. 24, p. 1.
4. R. A. Fournelle, E. A. Grey, and M. E. Fine:Met. Trans. A, 1976, vol. 7A, p. 669.
5. D. T. Raske and J. D. Morrow:Manual on Low Cycle Fatigue Testing, ASTM STP465, p. 1, Amer. Soc. Test. Mater., 1969.