Kharun, V. R., Senchishak V. М., V. Ya. Popovych, and Shostakivskyi І. І. 2021. “The Research Beam Pumping Unit of Start-up Mode”. Oil and Gas Power Engineering, no. 1(35) (June):48-59. https://doi.org/10.31471/1993-9868-2021-1(35)-48-59.