Hengyu Wang Lei Li Jinwen Ma The Competitive EM Algorithm for Gaussian Mixtures with BYY Harmony Criterion. 552-560 2008 ICIC (1) http://dx.doi.org/10.1007/978-3-540-87442-3_69 conf/icic/2008-1 db/conf/icic/icic2008-1.html#WangLM08