1. The logging of rock cores for engineering purposes;Anon;Q. J. Eng. Geol.,1970
2. The preparation of maps and plans in terms of engineering geology;Anon;Q. J. Eng. Geol.,1972
3. Code of Practice for Site Investigation (BS5930);Anon,1981
4. The description and classification of weathered rocks for engineering purposes: Geological Society Engineering Group Working Party Report;Anon;Q. J. Eng. Geol.,1995
5. Barton, C.C., La Pointe, P.R., Malinverno, A., 1991. Fractals and Their Use in Earth Sciences. Short Course Manual, Geological Society of America Annual Meeting, San Diego, CA.