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2. R. I. Jaffi, Uspekhi Fiziki Metallov,4 (1961).
3. L. S. Moroz, O. S. Belova, and Yu. D. Khesin, Metal. i Term. Obrabotka Metal., No. 2 (1963).
4. D. McLean, Mechanical Properties of Metals [Russian translation] (1965).
5. R. P. Kirilova, R. V. Sedletskii, and O. S. Belova, Zavod. Lab., No. 11 (1967).