Dzenzersky, V. A., N. E. Zhitnik, S. V. Plaksin, L. M. Pogorelaya, and I. I. Sokolovsky. “PRINCIPLES OF CONSTRUCTION OF HYBRID WIND-SOLAR ENERGY INSTALLATIONS”. Electrical Engineering and Power Engineering, no. 1 (July 10, 2007). Accessed April 29, 2024. http://ee.zntu.edu.ua/article/view/102934.