Achten, Peter A. J., Titus L. van den Brink, and Jeroen W. Potma. “MOVEMENT OF THE CUPS ON THE BARREL PLATE OF A FLOATING CUP, AXIAL PISTON MACHINE”. International Journal of Fluid Power 5, no. 2 (July 1, 2004): 25–33. Accessed August 15, 2024. https://journals.riverpublishers.com/index.php/IJFP/article/view/584.