1. Computational methods for a mathematical theory of evidence;Barnett,1981
2. Production rules as a representation for a knowledge-based consultation program;Davis,1977
3. Upper and lower probabilities induced by a multivalued mapping;Dempster;Ann. Math. Statist.,1967
4. Fuzzy Sets and Systems: Theory and Applications;Dubois,1980
5. Subjective Bayesian methods for rule-based inference systems;Duda,1976