1. Audi R (1999)The Cambridge Dictionary of Philosophy, 2nd edn.Cambridge University Press, UK
2. Banerjee M, Chakraborty MK (2004)Algebras from rough sets. In: Pal SK, Polkowski L, Skowron A (eds)Rough-Neural Computing. Techniques for Computing with Words.Springer, Berlin, pp 157–184
3. Bazan J (1998) A Comparison of Dynamic and Non-dynamic Rough Set Methods for ExtractingLaws from Decision Tables. In: Polkowski L, Skowron A (eds) Rough Sets in Knowledge Discovery 1:Methodology and Applications. Studies in Fuzziness and Soft Computing, vol 18.Physica, Heidelberg,pp 321–365
4. Bazan J (2008)Rough sets and granular computing in behavioral pattern identification and planningIn: Pedrycz W, Skowron A, Kreinovich V (eds) Handbook of Granular Computing.Wiley, New York (in press), pp 777–799
5. Bazan J, Skowron A, Swiniarski R (2006)Rough sets and vague concept approximation: From sample approximation to adaptive learning.Transactions on Rough Sets V. Lecture Notes in Computer Science, vol 4100.Springer, Heidelberg, pp 39–62