Nykolyn, P. M. “Modeling of Mechanical Loss in Electrically Driven Centrifugal Pump Functioning”. Visnyk of Vinnytsia Politechnical Institute, no. 2 (November 12, 2010): 136–138. Accessed July 16, 2024. https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/1216.