D.-D. Le, V.-H. Pham, and T.-A. Bui, “Computational and Experimental Investigation of Thermal Generation in CNC Milling Machine Spindle Βearing with the Oil-Air Lubrication Method”, Eng. Technol. Appl. Sci. Res., vol. 14, no. 1, pp. 12900–12905, Feb. 2024.