A. Basheer, Ikhlas, and Zakariya Y. Mohammad. “Active Control Of Vibration For Aflixibly Supported Rigid Rotor On Oil Film Bearings”. Al-Rafidain Engineering Journal (AREJ) 17, no. 5 (October 1, 2009): 1–18. Accessed September 28, 2025. https://jwups.uomosul.edu.iq/index.php/arej/article/view/30536.