Ješe, Uroš, and Skotak Aleš. “REVERSIBLE PUMP-TURBINES – A STUDY OF PUMPING MODE OFF-DESIGN CONDITIONS”. Journal of Energy Technology 13, no. 2 (January 16, 2024): 37-44. Accessed September 24, 2025. https://old.journals.um.si/index.php/jet/article/view/3564.