WASET
    Nagalingam Arun Prasanth and  Ahmed Syed Adnan and  S. H. Yeo,  An Investigation of Surface Texturing by Ultrasonic Impingement of Micro-Particles.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 127(7). 1378 - 1384
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10007583.