WASET
    Mostafa M. Makrahy and  Nouby M. Ghazaly and  G. T. Abd el-Jaber,  Effects of Humidity and Silica Sand Particles on Vibration Generation by Friction Materials of Automotive Brake System.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2019, vol. 151(7). 444 - 448
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10010539.