1. On the convergence of the EM algorithm;Boyles;J. Roy. Statist. Soc. Ser. B,1983
2. Theoretical Statistics;Cox,1974
3. Maximum likelihood estimation from incomplete data via the EM algorithm (with discussion);Dempster;J. Roy. Statist. Soc. Ser. B,1977
4. Computational Methods of Linear Algebra;Faddeev,1963
5. Missing values in experiments analyzed on automatic computers;Healy;Appl. Statist.,1956