1. Aiello, M., and J. van Benthem, ‘A modal walk through space’, Journal of Applied Non-Classical Logics, 12:319–363, 2002.
2. Aiello, M., J. van Benthem, and G. Bezhanishvili, ‘Reasoning about space: the modal way’, Journal of Logic and Computation, 13:889–920,2003.
3. Barwise, J., ‘Three views of common knowledge’, Proc. of TARK, 1988, pp. 365–379.
4. van Benthem, J., and D. Sarenac, ‘The geometry of knowledge’, in J-Y. Béziau, A. Costa-Leite and A. Facchini (eds.), Trends in Universal Logic, 2005.
5. van Benthem, J., ‘Information as correlation and information as range’, ILLC manuscript, 2003.