1. Anger, B., & Lembcke, J. (1985). Infinitely subadditive capacities as upper envelopes of measures. Zeitschrift fur Wahrscheinlichkeitstheorie und Verwandte Gebiete, 68, 403–414.
2. de Cooman, G., & Hermans, F. (2008). Imprecise probability trees: Bridging two theories of imprecise probability. Artificial Intelligence, 172(11), 1400–1427.
3. Doder, D., Marković, Z., Ognjanović, Z., Perović, A., & Rašković, M. (2010). A probabilistic temporal logic that can model reasoning about evidence. In Proceedings of FoIKS. Lecture notes in computer science (pp. 9–24). Berlin: Springer.
4. Doder, D., Savić, N., & Ognjanović, Z. (2018). A decidable multi-agent logic with iterations of upper and lower probability operators. In Proceedings of FoIKS. Lecture notes in computer science (pp. 170–185). Berlin: Springer.
5. Dubois, D., & Prade, H. (1988). Possibility theory. New York: Plenum Press.