Rui Nian Guangrong Ji Michel Verleysen An Unsupervised Gaussian Mixture Classification Mechanism Based on Statistical Learning Analysis. 14-18 2008 FSKD (2) http://dx.doi.org/10.1109/FSKD.2008.333 conf/fskd/2008-2 db/conf/fskd/fskd2008-2.html#NianJV08