1. C. Stiller, P. Schmidt, and J. Michalski, World Renewable Energy Congress (8–13 May2011, Linköping, Sweden), (Linköping Univ., Linköping, 2011), vol. 15, p. 4202.
2. V. S. Tereshchuk, Russ. Eng. Res. 31, 1205 (2011).
3. A. V. Gusev, R. A. Kornev, and A. Yu. Sukhanov, Inorg. Mater. 42, 1123 (2006).
4. D. I. Slovetskii, Drag. Met. Drag. Kamni, No. 1, 119 (2003).
5. G. S. Burkhanov, N. B. Gorina, N. B. Kolchugina, and N. R. Roshan, Platinum Met. Rev. 55, 3 (2011).