Ziad. Sh. Al Sarraf,  Effect of Vibration Amplitude and Welding Force on Weld Strength of Ultrasonic Metal Welding.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 109(1). 151 - 154
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10003449.