@article {3302,
	title = {Interspecies Competition and Its Probable Influence Upon the Vertical Distribution of Appalachian Salamanders of the Genus Plethodon},
	journal = {Ecology},
	volume = {32},
	year = {1951},
	month = {April},
	pages = {266-274},
	keywords = {Amphibians, Fauna, Salamanders},
	author = {Hairston, Nelson G}
}
@article {3301,
	title = {Integradation in Appalachian Salamanders of the Genus Plethodon},
	journal = {Copeia},
	volume = {1950},
	year = {1950},
	note = {Maps},
	month = {December},
	pages = {262-273},
	keywords = {Amphibians, Fauna, Salamanders},
	author = {Hairston, Nelson G}
}
