7Dempster A P. Upper and lower probabilities induced by a multivalued mapping[J]. The Annals of Mathematical Statistics, 1967,38(2): 325-339.
8Sharer G. A Mathematical Theory of Evidenee[M]. Princeton: Princeton University Press, 1976.
9Carranza E J M, Hale M. Evidential belief functions for data-driven geologically constrained mapping of gold po- tential, Baguio district, Philippines[J]. Ore Geology Reviews, 2003, 22(1): 117-132.
10Park N W. Application of Dempster-Shafer theory of ev- idence to GIS-based landslide susceptibility analysis[J]. Environmental Earth Sciences, 2011, 62(2): 367-376.