@article {1770,
	title = {Observations on the biology of cave planarians of the United States},
	journal = {International Journal of Speleology},
	volume = {12},
	year = {1982},
	pages = {9-26},
	url = {http://scholarcommons.usf.edu/cgi/viewcontent.cgi?article=1420\&context=ijs},
	author = {Jerry H. Carpenter}
}
@article {1769,
	title = {Studies on the morphology, taxonomy, and distribution of North American Triclad Turbellaria. VIII. Some cave planarians of the United States},
	journal = {Transactions of the American Microscopical Society},
	volume = {56},
	year = {1937},
	month = {10/1937},
	pages = {457-477},
	doi = {10.2307/3222667 },
	url = {https://www.jstor.org/stable/3222667?seq=1$\#$page_scan_tab_contents},
	author = {Libbie H. Hyman}
}
@book {1749,
	title = {Freshwater planarians (Turbellaria) of North America},
	series = {Biota of freshwater ecosystems identification manual no. 1.},
	year = {1972},
	publisher = {Washington, U.S. Environmental Protection Agency},
	organization = {Washington, U.S. Environmental Protection Agency},
	address = {Washington, D.C.},
	doi = {http://dx.doi.org/10.5962/bhl.title.4020},
	url = {http://www.biodiversitylibrary.org/bibliography/4020$\#$/summary},
	author = {Roman Kenk}
}
