1. Rupture velocity of plane strain shear cracks;Andrews;J. Geophys. Res.,1976
2. Engineering classification of rock masses for the design of tunnel support;Barton;Rock Mech.,1974
3. Numerical examination of mining induced seismicity;Board,1994
4. A rigid 50-ton compression and tension testing machine;Cook;Jl S. Afr. lnstn mech. Engrs,1966
5. The design of underground excavations;Cook,1966