Gorbiychuk, M., Zamikhovska, O., Zamikhovskyi, L., Zikratyi, S. and Shtaier, L. 2019. Evaluation of dynamic properties of gas pumping units according to the results of experimental researches. Eastern-European Journal of Enterprise Technologies. 2, 2 (98) (Apr. 2019), 73–81. DOI:https://doi.org/10.15587/1729-4061.2019.163113.