1. G. N. Zhdanovich, Compaction Theory for Metal Powders [in Russian], Metallurgiya, Moscow (1969).
2. A. M. Laptev, ?Deformation of a porous material in a closed die,? Izv. Vyssh. Uchebn. Zaved., Mashinostr., No. 7 (1979).
3. V. E. Perel'man, Forming of Powder Materials [in Russian], Metallurgiya, Moscow (1979).
4. G. L. Petrosyan, Plastic Deformation of Powder Materials [in Russian], Metallurgiya, Moscow (1988).
5. M. B. Shterin, G. G. Serdyuk, L. A. Maksimenko, et al., Phenomenological Theory of Powder Compaction [in Russian], Naukova Dumka, Kiev (1982).