Pennacchi, Paolo, Giovanni Mimmi, and Lucia Frosini. “REDUCTION OF QUASI-IMPULSIVE FORCES AND NOISE EMISSION IN THREE-SCREW PUMP ROTORS”. International Journal of Fluid Power 2, no. 3 (November 1, 2001): 23–31. Accessed May 8, 2024. https://journals.riverpublishers.com/index.php/IJFP/article/view/633.