Pulatov T.R., Asanov S., Hoshimov A.A. “Justification Of Thrust Bearings Parameters For Increasing The Reliability Of Downhole Pumps”. International Journal of Advanced Science and Technology 29, no. 9s (May 20, 2020): 5804-5812. Accessed August 3, 2021. https://sersc.org/journals/index.php/IJAST/article/view/18627.