Geletii, P. P., & Femiak, Y. M. (2026). Investigation of the influence of PDC bit blade geometry on the rock cut-ting efficiency in hard abrasive formations . PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, (22(83), 158–176. https://doi.org/10.31471/2304-7399-2026-22(83)-158-176