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3. Cazaud, R.: Fatigue of Metals. Chapman and Hall, London (1953)
4. Evans, E.B., Ebert, J., Briggs, C.W.: Proceedings of American Society for Testing and Materials, vol. 56, p. 979 (1956)
5. Heywood, R.B.: Designing against Fatigue. Chapmann and Hall, London (1962)