1. Axiomatization of logics based on Kripke models with relative accessibility relations;Balbiani,1998
2. Propositional logics from rough set theory;Banerjee,2007
3. Modal Logic;Blackburn,2001
4. A logic with relative knowledge operators;Demri;J. Logic Language Inf.,1999
5. Incomplete Information: Structure, Inference, Complexity;Demri,2002