Berezhnytskyi BS, Vorobyov MS. KINEMATICS OF A ROLLER CONE BIT WITH A DIRECT FACET TOOTH. Number [Internet]. 2018 Dec. 26 [cited 2025 Dec. 20];(2(46):210-7. Available from: https://www.pvntsh.nung.edu.ua/index.php/number/article/view/385