1. G. A. Navrotskii (Ed.), Cold Die Forging. Handbook [in Russian], Mashinostroenie, Moscow (1973).
2. Handbook in 4 volumes. Vol. 3: Cold Die Forging,1987
3. R. I. Nepershina, M. D. Shamis, and V. I. Mokhnev, “Design peculiarities of shrouded extrusion dies for cold die forging with strength analysis application,” Kuzn.-Shtamp. Proizv., No. 11, 22 (1986).
4. V. A. Evstratov, Basics of Extrusion Tecnology and Die Disign [in Russian], Vyshcha Shkola, Kharkov (1987).
5. O. A. Ganago, V. L. Marchenko, and V. V. Kovtun, “Calculation and design optimization of axisymmetrical extrusion dies for cold die forging,” Kuzn.-Shtamp. Proizv., No. 8, 34–36 (1985).