1. Computational Geometry: An Introduction;Preparata,1985
2. The random division of space;Miles;Adv. Appl. Probl.,1972
3. The Statistical Analysis of Spatial Pattern;Bartlett,1975
4. Discontinuities and rock mass geometry;Hudson;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1979
5. Discontinuity frequency in rock masses;Hudson;Int. J. Rock Mech. Min. Sci. & Geomech. Abstr.,1983