1. La fissuration des roches;Habib,1966
2. Discontinuity spacings in rock;Priest;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1976
3. Analysis of the geometry of fractures in San Manuel copper mine, Arizona;Mahtab;USBM RI 7715,1973
4. An example of fracture characterization in granitic rock;Thorpe,1981
5. Geologic storage of radioactive waste: field studies in Sweden;Witherspoon;Science,1981