Batyrshin, Ildar Perception-based Data Mining and Decision Making in Economics and Finance [electronic resource] by Ildar Batyrshin, Janusz Kacprzyk and Lotfi AZadeh - London Springer 2007 http://dx.doi.org/10.1007/978-3-540-36247-0 ISBN: 9783540362470 Dewey Class. No.: 006.312 / (e-book)