@article {1833,
	title = {Some land planarians of the United States and Europe, with remarks on nomenclature},
	journal = {American Museum Novitates},
	year = {1954},
	pages = {1-21},
	url = {http://digitallibrary.amnh.org/bitstream/handle/2246/4911//v2/dspace/ingest/pdfSource/nov/N1667.pdf?sequence=1\&isAllowed=y},
	author = {Libbie H. Hyman}
}
@article {1822,
	title = {North American Triclad Turbellaria XIII. Three new Cave Planarians},
	journal = {Proceedings of the United States National Museum},
	volume = {103},
	year = {1954},
	pages = {563-573},
	url = {http://biostor.org/reference/97202},
	author = {Libbie H. Hyman}
}
