Literature cited
S. A. Saltykov, Stereometric Metallography [in Russian], Metallurgiya, Moscow (1976).
É. Gudremon, Specialty Steels [in Russian], Vol. 1, Metallurgizdat, Moscow (1959).
Additional information
Izhorsk Factory. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 61–62, July, 1986.