Le, Duc-Do, and Tuan-Anh Bui. “Analyzing the Effects of Lubrication Techniques on CNC Spindle Bearing Heat: An Experimental Investigation”. Engineering, Technology & Applied Science Research 13, no. 5 (October 13, 2023): 11581–11585. Accessed June 30, 2024. https://etasr.com/index.php/ETASR/article/view/6146.