Kieu Nhi, Ngo. “EXPERIMENT ON THE CAPABLITY OF DIAGNOSING BALL-BEARING DEFECT”. Science and Technology Development Journal 7, no. 6 (June 30, 2004): 73-80. Accessed December 22, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3223.