Sergei O. Kuznetsov, Deba Prasad Mandal, Malay Kumar Kundu, Sankar K. Pal: Pattern Recognition and Machine Intelligence - 4th International Conference, PReMI 2011, Moscow, Russia, June 27 - July 1, 2011. Proceedings. Lecture Notes in Computer Science 6744, Springer 2011, ISBN 978-3-642-21785-2