1. A note on measures of specificity for fuzzy sets;Dubois;Internat. J. General Systems,1985
2. The principle of minimum specificity as a basis for evidential reasoning;Dubois,1987
3. Possibility Theory: An Approach to Computerized Processing of Uncertainty;Dubois,1988
4. Introduction to Measure and Integration;Munroe,1953
5. Fuzzy measures and fuzzy integrals: A survey;Sugeno,1977