%0 Journal Article %T Pellet impact drilling operational parameters: experimental research %A Kovalyov, A V %A Ryabchikov, S Ya %A Isaev, Ye D %A Aliev, F R %A Gorbenko, M V %A Baranova, A V %J IOP Conference Series: Earth and Environmental Science %V 24 %N 1 %P 8 %@ 1755-1307 %D 2015-01-01 %~ DeepDyve