1. Wave mechanics of percussive drilling;Fairhurst;Mine Quarry Engng,1961
2. On impactor synthesis;Lundberg;J. Sound Vibr.,1978
3. On longitudinal impact I;Fischer;Appl. Scient. Res.,1959
4. On longitudinal impact II;Fischer;Appl. Scient. Res.,1959
5. The determination of stress waveforms produced by percussive drill pistons of various geometrical designs;Dutta;Int. J. Rock Mech. Min. Sci.,1968