Armin Biere, Marijn Heule, Hans van Maaren, and Toby Walsh, editors. Handbook of Satisfiability, volume 185 of Frontiers in Artificial Intelligence and Applications. IOS Press, 2009.
 George Georgakopoulos, Dimitris Kavvadias, and Christos H. Papadimitriou. Probabilistic satisfiability. J. Complex., 4(1):1-11, 1988.
 Pierre Hansen, Brigitte Jaumard, and A. D. Parreira. On the relations between probabilistic logic and p-cms. In IJCAI'99, pages 56-63, 1999.
 Guilin Qi. Probabilistic inference on three-valued logic. In RSFDGrC'03: Proceedings of the 9th international conference on Rough sets, fuzzy sets, data mining, and granular computing, pages 690- 693, Berlin, Heidelberg, 2003. Springer-Verlag.