Ali Raad Hassan,  Contact Stress Analysis of Spur Gear Teeth Pair.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2009, vol. 34(10). 1279 - 1284
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13615.