@article {6934,
	title = {Morphology, molecules, and the phylogenetics of cetaceans},
	journal = {Systematic Biology},
	volume = {47},
	number = {1},
	year = {1998},
	note = {PDF},
	pages = {90-124},
	keywords = {cetaceans, molecular characters, molecular clock, morphological characters, phylogeny, total evidence},
	author = {Messenger, Sharon L. and McGuire, Jimmy A.}
}
