1. L. A. Sosnovskii, N. A. Makhutov, A. M. Bordovskii, and V. V. Vorob’ev, “Statistical estimation of the degradation of properties of the petroleum pipeline material,” Zavod. Lab. Diagn. Mater., No. 11, 40–49 (2003).
2. GOST 25.506–85. Methods for the Mechanical Testing of Metals. Determination of Crack Resistance (Fracture Toughness) Characteristics under Static Loading [in Russian]. Introduced on March 27, 1985.
3. A. Ya. Krasovskii and V. A. Vainshtok, “A failure criterion of materials taking into consideration the form of the stressed state at the crack apex,” Strength Mater., 10, No. 5, 559–565 (1978).
4. N. V. Oleinik and Ngo Van Kuet, “Determining fracture toughness of materials by reference to their mechanical properties,” Strength Mater., 8, No. 1, 71–75 (1976).
5. V. V. Panasyuk, A. E. Andreikiv, and S. E. Kovchik, “Determination of the fracture toughness of structural materials trough their mechanical characteristics and structure parameter,” Fiz.-Khim. Mekh. Mater., No. 2, 120–137 (1977).