Robust Cluster Analysis via Mixtures of Multivariate t-Distributions.

Geoffrey J. McLachlan David Peel Robust Cluster Analysis via Mixtures of Multivariate t-Distributions. 658-666 1998 conf/sspr/1998 SSPR/SPR db/conf/sspr/sspr1998.html#McLachlanP98 http://dx.doi.org/10.1007/BFb0033290