@article {7311,
	title = {The general stochastic model of nucleotide substitutions},
	journal = {Journal of Theoretical Biology},
	volume = {142},
	year = {1990},
	note = {DO NOT HAVE},
	pages = {485-501},
	keywords = {gtr, ML, model selection, phylogenetics, substitution},
	author = {Rodriguez, F. and Oliver, , J. F. and Marin, A. and Medina, J. R.}
}
@article {6353,
	title = {Maximum likelihood inference of phylogenetic trees, with special reference to a Poisson process model of DNA substitution and to parsimony analysis},
	journal = {Systematic Zoology},
	volume = {39},
	number = {4},
	year = {1990},
	note = {PDF},
	pages = {345-361},
	keywords = {likelihood, ML, molecules, phylogenetics},
	author = {Goldman, Nick}
}
