Онисько, О. Р., В. І. Патра, and Б. Я. Прибуш. “DEFINITION OF PROFILE OF CUTTING TOOL PART WITH DOUBLE-INCLINED FACE SURFACE TO FORM TRIANGULAR THREAD OF OIL AND GAS PIPES ASSORTMENT”. Oil and Gas Power Engineering, no. 2(24) (November 19, 2015): 77–81. Accessed April 29, 2024. https://nge.nung.edu.ua/index.php/nge/article/view/348.