@article {6513,
	title = {Ribosomal DNA: molecular evolution and phylogenetic inference},
	journal = {The Quarterly Review of Biology},
	volume = {66},
	number = {4},
	year = {1991},
	note = {PDF},
	month = {December},
	pages = {411-453},
	keywords = {16S, 18S, 28S, evolution, genetics, rDNA},
	author = {Hillis, David M. and Dixon, Michael T.}
}
