1. V. S. Ustinov, Yu. G. Olesov, V. A. Drozdenko, and L. N. Antipin, Powder Metallurgy of Titanium [in Russian], Metallurgiya, Moscow (1981).
2. A. P. Lyashenko, V. A. Pavlov, V. A. Boguslaev, et al., ?Production of P/M titanium materials by hot forging,? Poroshk. Metall., No. 11, 39?44 (1984).
3. M. S. Koval'chenko and G. V. Samsonov, ?Application of the theory of viscous flow to the sintering of powders by hot pressing,? Poroshk. Metall., No. 2, 3?13 (1961).
4. A. N. Zelikman and G. A. Meerson, Metallurgy of Rare Metals [in Russian], Metallurgiya, Moscow (1973).
5. M. S. Koval'chenko and L. F. Ochkas, ?Creep in the hot pressing of titanium carbide powder,? Poroshk. Metall., No. 1, 28?37 (1973).