1. The failure of rock;Cook;Int. J. Rock Mech. Min. Sci.,1965
2. A rigid 50-ton compression and tension testing machine;Cook;Jl S. Afr. Instn mech. Engrs,1966
3. Rock Property Tests in a Stiff Testing Machine;Wiebols,1968
4. A note on rockbursts considered as a problem of stability;Cook;Jl S. Afr. Inst. Min. Metall.,1965
5. A nonlinear continuum approach to the problem of fractured zones and rockbursts;Deist;Jl S. Afr. Inst. Min. Metall.,1965