%0 Journal Article %T Determination of Efficient Rotary Percussive Drilling Techniques for Strong Rocks %A Karpov, V. N. %A Petreev, A. M. %J Journal of Mining Science %V 57 %N 3 %P 447-458 %@ 1062-7391 %D 2021-05-01 %I Pleiades Publishing %~ DeepDyve