Costa, Gustavo Koury, and Nariman Sepehri. “Understanding Overall Efficiency of Hydrostatic Pumps and Motors”. International Journal of Fluid Power 19, no. 2 (August 1, 2018): 106–116. Accessed April 20, 2024. https://journals.riverpublishers.com/index.php/IJFP/article/view/147.