1. Adachi, J. 1995. Modeling of molecular evolution and maximum likelihood inference of molecular phylogeny. Ph.D. dissertation, Graduate University for Advanced Studies, Hayama, Japan.
2. Cormen, T. H., C. E. Leiserson, and R. L. Rivest. 1990. Introduction to algorithms. MIT Press, Cambridge, Mass.
3. Dayhoff, M. O., R. M. Schwartz, and B. C. Orcutt. 1978. A model of evolutionary change in proteins. Pp. 345–352 in M. O. Dayhoff, ed. Atlas of protein sequences and structure. Vol. 5, Suppl. . National Biomedical Research Foundation, Washington, D.C.
4. Felsenstein, J. 1981. Evolutionary trees from DNA sequences: a maximum likelihood approach. J. Mol. Evol. 17:368–376.
5. Fitch, W. M. 1971. Toward defining the course of evolution: minimum change for a specific tree topology. Syst. Zool. 20:406–416.