1. V. P. Romanovskii, Handbook on Cold Pressing (Mashinostroenie, Moscow, 1979) [in Russian].
2. Mechanical Engineering, Encyclopedia, Vol. III-2: Technologies of Blank Production (Mashinostroenie, Moscow, 1996) [in Russian].
3. A. D. Tomlenov, Theory of Plastic Deformation of Metals (Metallurgiya, Moscow, 1972) [in Russian].
4. E. A. Popov, Foundations of Theory of Sheet Stamping (Mashinostroenie, Moscow, 1977) [in Russian].
5. W. Johnson and P. B. Mellor, Engineering Plasticity (Van Nostrand Reinhold, London, 1975; Mashinostroenie, Moscow, 1979).