1. Pattern recognition and neural networks;Ripley,1996
2. Gefügestatistik;Schmidt;Tschermaks Mineral Petrol Mitt,1925
3. Pattern classification and scene analysis;Duda,2000
4. Discontinuity analysis for rock engineering;Priest,1994
5. Delineation and analysis of clusters in orientation data;Shanley;Math Geol,1976