@article {7519,
	title = {Likelihood, parsimony, and heterogeneous evolution},
	journal = {Molecular Biology and Evolution},
	volume = {22},
	number = {5},
	year = {2005},
	note = {PDF},
	pages = {1161-1164},
	keywords = {heterotachy, ML, parsimony, phylogenetics, rates},
	author = {Spencer, Matthew and Susko, Edward and Roger, Andrew J.}
}
