@article {351,
	title = {The fresh-water triclads of Michigan},
	journal = {Miscellaneous publications / University of Michigan, Museum of Zoology},
	volume = {60},
	year = {1944},
	pages = {1-44},
	url = {http://deepblue.lib.umich.edu/bitstream/handle/2027.42/56305/MP060.pdf?sequence=1},
	author = {Roman Kenk}
}
@article {762,
	title = {A laboratory study of substrate and temperature preferences of three species of freshwater planarians (Turbellaria: Tricladida)},
	journal = {Journal of the Tennessee Academy of Science},
	volume = {55},
	year = {1980},
	pages = {117-120},
	url = {http://iweb.tntech.edu/sstedman/JTAS\%2055-4.pdf},
	author = {Speight, D. C. and Chandler, C. M.}
}
