1. O. S. Popel’ and V. E. Fortov, Renewable Power Generation in the Modern World (Mosk. Energ. Inst., Moscow, 2015) [in Russian].
2. A. B. Alkhasov, Renewable Power Generation, 2nd ed., Ed. by V. E. Fortov (Fizmatlit, Moscow, 2012) [in Russian].
3. G. V. Tomarov, A. I. Nikol’skii, V. N. Semenov, and A. A. Shipkov, Geothermal Power Generation: Handbook (Intertekhenergo-Izdat, Moscow, 2015) [in Russian].
4. L. Rybach, “Status and prospects of geothermal energy,” in Proc. World Geothermal Congr. 2010, Bali, Indonesia, Apr. 25–30, 2010 (Int. Geotherm. Assoc., Bali, 2010).
5. R. Bertani, “Geothermal power generation in the world 2005–2010 update report,” in Proc. World Geothermal Congr. 2010, Bali, Indonesia, Apr. 25–30, 2010 (Int. Geotherm. Assoc., Bali, 2010).