Kim, S., U. Piepenstock, and H. Murrenhoff. “EFFECTS OF MANUFACTURING DEVIATION ON THE PRESSURE PULSATION OF THREE SCREW PUMPS”. International Journal of Fluid Power, vol. 12, no. 1, Mar. 2011, pp. 41-50, https://journals.riverpublishers.com/index.php/IJFP/article/view/473.