1. Henry E. Kyburg, Jr. & Isaac Levi,1982
2. Probability Theory, vol. 1;de Finetti,1974
3. Upper and lower probabilities induced by a multivalued mapping;Dempster;Ann. Math. Stat.,1967
4. The dilemma of determinism;James,1884
5. Thinking, Fast and Slow;Kahneman,2011