1. Morgenstern N. R. Progressive failure in theory and practice: 28th Terzaghi Lecture. ASCE Jl Geotech. Envir. Engng. In preparation.
2. Rock Characterization Testing and Monitoring, ISRM Suggested Methods,1981
3. A study of the failure of concrete under combined compressive stresses;Richard,1928
4. An experiment proving that dilatancy is a pervasive volumetric property of brittle rocks loaded to failure;Cook;Rock Mech. Rock Engng,1970
5. Brittle fracture propagation in rock under compression;Hoek;J. Fracture Mech.,1965