1. V. A. Strizhak et al., "Use of maraging steels in producing die-casting molds for plastics," Vestnik Mashinostroeniya, No. 7, 67?68 (1970).
2. V. M. Kondratov, V. A. Magaziner, and V. D. Plastinin, "Possibility of using maraging steels for die-casting molds," Proizvodstvenno-Tekhnicheskii Byulleten', Obrabotka Davleniem, No. 5, 16?19 (1970).
3. V. M. Kondratov, "Deformation of maraging steels during heat treatment," Metal. i Term. Obrabotka Metal., No. 10, 15?18 (1972).
4. M. D. Perkas, "Structure and properties of high-strength steels with aging martensite," Metal. i Term. Obrabotka Metal., No. 7, 12?24 (1970).
5. Ya. M. Potak, High-Strength Steels [in Russian], Metallurgiya, Moscow (1972).