CHEN, Ye, Junlin YANG, Liang LI, and Shihao XIAO. “Design and Experiments of A New Internal Cone Type Traveling Wave Ultrasonic Motor”. Archives of Acoustics 48, no. 3 (September 30, 2023): 373–380. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/3745.