1. Enqvist, Sebastian, and Erik J. Olsson. 2008. Contraction in interrogative belief revision. Unpublished manuscript.
2. Emmanuel J. Genot. 2009. Extensive questions. In Logic and its applications, third indian conference, ICLA 2009, Chennai, India, January 7–11, 2009. Proceedings. Berlin: Springer.
3. Grove, Adam. 1988. Two modellings for theory change. Journal of Philosophical Logic 17:157–170.
4. Harris, Stephen. 1994. GTS and interrogative taleaux. Synthese 99:329–343.
5. Hintikka, Jaakko. 1987a. The fallacy of fallacies. Argumentation 1(3):211–238.