ASHMAWY, M. E.; MURRENHOFF, H. EXPERIMENTAL INVESTIGATION OF FRICTION FORCE BETWEEN VANE TIP AND CAM-RING IN OIL VANE PUMPS. International Journal of Fluid Power, [S. l.], v. 10, n. 1, p. 37–46, 2009. Disponível em: https://journals.riverpublishers.com/index.php/IJFP/article/view/506. Acesso em: 16 jul. 2024.