WASET
    S. A. M. Elshourbagy,  Effect of Lubrication on the Quantity of Heat Emission of two Spur Gears in Meshing.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 987 - 990
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/15605.