Gavryliv, S. Yu., et al. “CAM FITTING UNIT OF DEVICEFOR UNSCREWING CATCHED PIPES IN THE WELL: Array”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(59), Jan. 2021, pp. 151-64, doi:10.31471/2304-7399-2020-1(59)-151-164.