1. Z. Q. Bo, Q. P. Wang, L. Wang, F. Q. Zhou, S. M. Ge and B. M. Zhang, 7th Asia – Pacific Power and Energy Engineering Conference (APPEEC, 2015).
2. O. A. Zhukov, V. Ya. Ushakov, International Journal on Technical and Physical Problems of Engineering (IJTPE) 25, 39–48 (2015).
3. M. Kolloch and D. Dellermann, Technological Forecasting & Social Change, 3–11 (2017).
4. E. S. Kodryan, Service in Russia and abroad 2, 96–99 (2007).
5. I. V. Linev, Economics 2, 49–54 (2011).