WASET
    L. Grinis and  V. Haslavsky and  U. Tzadka,  Self-Excited Vibration in Hydraulic Ball Check Valve.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 1523 - 1528
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1394.