Holmes, I.; Rubin, G. M. (2002). "An expectation maximization algorithm for training hidden substitution models". Journal of Molecular Biology. 317 (5): 753–764. doi:10.1006/jmbi.2002.5405. PMID11955022.
Holmes, I.; Rubin, G. M. (2002). "An expectation maximization algorithm for training hidden substitution models". Journal of Molecular Biology. 317 (5): 753–764. doi:10.1006/jmbi.2002.5405. PMID11955022.