@article {5851,
	title = {A phylogeny of extant penguins (Aves: Sphenisciformes) combining morphology and mitochondrial sequences},
	journal = {Cladistics},
	volume = {21},
	year = {2005},
	note = {PDF},
	pages = {209-239},
	keywords = {aves, biogeography, character evolution, combined data analyses, molecules, morphology, mtDNA, phylogeny, poy},
	author = {Bertelli, Sara and Giannini, Norberto P.}
}
