1. The laboratory direct shear test—an analysis and geotechnical evaluation;Schneider;Bull. int. Ass. Engng Geol.,1978
2. Design of surface and near-surface construction in rock;Deere,1967
3. Mechanical resistances;Salas,1968
4. Friction of rocks and the stability of rock slopes;Jaeger;Géotechnique,1971
5. The relevance of size of sample and type of test in determining shear properties for use in stability analysis;Wareham,1974