1. R. A. Prummer, in: Proc. 4th Int. Conf. of the Center for High Energy Forming, Vail, Colorado (1973).
2. S. V. Pershin and G. I. Kanel', Dep. VINITI, No. 1446-70.
3. M. A. Meyers, B. B. Gupta, and L. E. Murr, J. Met.,3, 21 (1981).
4. P. O. Pashkov and V. D. Rogozin, in: Physical Metallurgy and the Strength of Materials [in Russian], Volgograd (1970).
5. E. Ya. Kutsovskii, Candidate's Dissertation, Novosibirsk-Tashkent (1976).