1. Geological factors significant to the stability of slopes cut in rock;Piteau,1970
2. Sources of error in joint surveys;Terzaghi;Geotechnique,1965
3. Suggested methods for the quantitative description of discontinuities in rock masses;International Society for Rock Mechanics, Commission on Standardisation of Laboratory and Field Tests;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1978
4. Characterising and extrapolating rock joint properties in engineering practice;Piteau;Rock Mechanics,1973
5. Improved numerical modelling of rock masses through geostatistical characterisation;La Pointe,1981