1. Friction of rocks and stability of rock slopes;jaeger;Geotechnique,1971
2. La Mécanique des Roches;Talobre,1957
3. Der Felsbau;Müller,1963
4. The mechanics of discontinua or clastic mechanics in rock problems;Trollope,1968
5. Engineering methods to determine the strength and deformability of regularly jointed rock;John,1969