3Wadge G. The potential of GIS modelling of gravity flows and slope instabilities[J].International Journal of Geographical Information Systems, 1988, 2(2)：143～152.
4Gupta R P, Joshi B C. Landslide hazard zoning using the GIS approach; a case studyfrom the Ramganga Catchment, Himalayas[J]. Engineering Geology, 1990, 28(1～2)：119～131.
5MARIO MEJIA-NAvARRO, LUIS A, GARCIA. Natural Hazard and Risk Assessment UsingDecision Support System, Application: Glenwood Springs, Colorado[J].Environment andEngineering Geoscience, 1996, II(3): 299～324.
6Mazzoccola D F, Hudson J A. A comprehensive method of mass characterization forindicating natural slope instability[J]. Quarterly Journal of Engineering Geology,1996,(29)： 37～56.
7FERRIER G.WADGE G. An integrated GIS and knowledge-based as an aid for thegeological analysis of sedimentary basins[J]. INT. J. Geographic Information Science,1997, 11(3): 281～297.
