1. Experimental Rock Deformation – The Brittle Field;Paterson,1978
2. Yield of a soft, high porosity rock;Elliott;Geotechnique,1985
3. Underground Excavations in Rock;Hoek,1980
4. Further development of a plasticity approach to yield in porous rock;Elliott;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1986
5. Brittle-ductile transition in rocks;Byerlee;J. Geophys. Res.,1968