Yakym, R. S., and D. Yu. Petryna. 2019. “ANALYSIS OF THE CAUSES OF THE SUDDEN DESTRUCTION OF THREE-CONE DRILL BITS WITH BUILT-IN ROCK-DESTRUCTION EQUIPMENT”. Oil and Gas Power Engineering, no. 1(31) (June):72-82. https://doi.org/10.31471/1993-9868-2019-1(31)-72-82.