@article {6169,
	title = {Ribosomal RNA secondary structure: compensatory mutations and implications for phylogenetic analysis},
	journal = {Molecular Biology and Evolution},
	volume = {10},
	number = {1},
	year = {1993},
	note = {PDF},
	pages = {256-267},
	keywords = {28S, molecules, phylogenetics, rDNA, secondary structure},
	author = {Dixon, Michael T. and Hillis, David M.}
}
