WASET
    Tadatsugu Kitamoto,  A Method for Quality Inspection of Motors by Detecting Abnormal Sound.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 632 - 635
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/403.