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3. Gusenkov, A.P., Romanov, A.N., 1971. Characteristics of Resistance to Low Cycle Loading and Fracture of Structural Materials. KPI, Kaunas (in Russian).
4. Determination of the cyclic stress–strain curve;Landgraf;J. Mater. Apr.,1969
5. Landgraf, R.W., 1970. The Resistance of Metals to Cyclic Deformation. Achievement of High Fatigue Resistance in Metals and Alloys. Philadelphia, pp. 3–36.