@article {7582,
	title = {The effect of topology on estimates of among-site rate variation},
	journal = {Journal of Molecular Evolution},
	volume = {42},
	year = {1996},
	note = {PDF},
	pages = {308-312},
	keywords = {among-site rate variation, molecular characters, phylogenetics},
	author = {Sullivan, J. and Holsinger, K. E. and Simon, C.}
}
