%0 Journal Article %T Pneumatic impact plunging modular hole expanders %A Belyaev, N. %A Bolotnov, I. %J Journal of Mining Science %V 28 %N 1 %P 57-59 %@ 1062-7391 %D 2004-11-13 %I Kluwer Academic Publishers-Plenum Publishers %~ DeepDyve