Editorial

McLachlan GJ , Krishnan T. The EM algorithm and extensions. New York: John Wiley , 1997.

Dempster AP , Laird NM , Rubin DB. Maximum likelihood estimation from incomplete-data via the EM algorithm (with discussion) . Journal of the Royal Statistical Society, Series B 1977; 39: 1-38 .

Titterington DM , Smith AFM , Makov UE. Statistical analysis of finite mixture distributions. New York: John Wiley , 1985.

McLachlan GJ , Basford, KE. Mixture models: inference and applications to clustering. New York: Marcel Dekker , 1988.