1. List of terms, symbols and recognized SI units and multiples for geotechnical engineering.;Canadian Geotechnical Journal,,1980
2. Engineering classification of rock masses for the design of tunnel support
3. Bielenstein, H. U., Price, R. A. & Jones, P. B. 1971. Geology of the Seebe-Kananaskis area, Map. In: Halladay, I. A. R. & Mathewson, D. H. (eds) A guide to the geology of the Eastern Cordillera along the Trans Canada Highway between Calgary, Alberta and Revel-stroke, British Columbia. Alberta Society of Petroleum Geologists, Calgary.
4. ORIENT: an interactive fortran 77 program for processing orientations on a microcomputer
5. Choquet, P. & Tanon, D. D. B. 1986. Nomograms for the assessment of toppling failure in rock slopes. Proceedings 26th US Symposium on Rock Mechanics, Rapid City, 19–30.