Ricardo Barandela E. Rangel José Salvador Sánchez Francesc J. Ferri Restricted Decontamination for the Imbalanced Training Sample Problem. 424-431 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2905&spage=424 2003 conf/ciarp/2003 CIARP db/conf/ciarp/ciarp2003.html#BarandelaRSF03