1. Energy transfer in percussive rock destruction. Part I. Comparison of percussive methods;Lundberg;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1973
2. Energy transfer in percussive rock destruction. Part II. Supplement on hammer drilling;Lundberg;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1973
3. On the reflection of elastic waves at a rod joint;Takaoka;J. Min. Metall. Inst. Japan,1958
4. Wave mechanics of percussive drilling;Fairhurst;Mine Quarry Engng,1961
5. Wave mechanics of percussive drilling;Fairhurst;Mine Quarry Engng,1961