1. G. V. Samsonov, T. I. Serebryakova, and V. A. Neronov, Borides [in Russian], Atomizdat, Moscow (1975).
2. Yu. G. Tkachenko, “An investigation of the external friction of some refractory carbides at high temperatures in a vacuum,” Candidate's Dissertation, IPM Akad. Nauk UkrSSR, Kiev (1969).
3. C. A. Brookes and A. G. Atkins, “The friction and hardness of refractory compounds,” Fifth Plansee Proc., 712–720 (1964).
4. B. L. Mordike, “The frictional properties of carbides and borides at high temperatures,” Wear,3, No. 5, 374–387 (1960).
5. G. V. Samsonov, Yu. G. Tkachenko, and A. G. Dobrovol'skii, “Temperature dependence of the coefficients of friction of boron and silicon carbides in a vacuum,” Poroshk Metall., No. 7, 79–81 (1970).