Vasko, P. “APPROXIMATE SUBSTITUTION ELECTRICAL ЕQUIVALENT CIRCUIT OF EXPLICIT POLE SYNCHRONOUS GENERATOR FOR ANALYSIS OF LOADING OPERATING MODES AUTONOMOUS WIND-ELECTRIC AND HYDROELECTRIC INSTALLATIONS”. Vidnovluvana Energetika, no. 3(62), Sept. 2020, pp. 51-61, doi:10.36296/1819-8058.2020.3(62).51-61.