- Sergei O. Kuznetsov, Dominik Slezak, Daryl H. Hepting, Boris Mirkin, editors, Rough Sets, Fuzzy Sets, Data Mining and Granular Computing - 13th International Conference, RSFDGrC 2011, Moscow, Russia, June 25-27, 2011. Proceedings. Volume 6743 of Lecture Notes in Computer Science, Springer, 2011.