1. F. Price, C. Simithells, and S. Williams, J. Inst. Met.,62, 239 (1938).
2. H. Cannon and F. Lenel, Pulvermetallurgie, 2 Plansee Seminar ?De re metallica,? 106?122 (1953).
3. W. D. Kingery, J. Appl. Phys.,20, 3 (1959).
4. M. Humenik and N. Parikh, J. Am. Ceram. Soc., N 9 (1957).
5. V. N. Eremenko and Yu. V. Naidich, The Wetting of the Surface of Refractory Compounds by Liquid Metals [in Ukrainian] (Kiev, Acad. Sci. Ukr. SSR Press, 1958).