Berezhnytskyi, B.S. and Vorobyov, M.S. 2018. KINEMATICS OF A ROLLER CONE BIT WITH A DIRECT FACET TOOTH: Array. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number. 2(46) (Dec. 2018), 210–217. DOI:https://doi.org/10.31471/2304-7399-2018-2(46)-210-217.