@article {1699,
	title = {Native and introduced land planarians in the United States},
	journal = {Science},
	volume = {92},
	year = {1940},
	month = {1940 Aug 02},
	pages = {105-6},
	issn = {0036-8075},
	doi = {10.1126/science.92.2379.105},
	author = {Hyman, L H}
}
