@article {4213,
	title = {Beaver Reoccupation and an Analysis of the Otter Niche in Great Smoky Mountains National Park},
	year = {1981},
	institution = {U.S. Department of Interior, National Park Service},
	address = {Gatlinburg, TN},
	keywords = {Beavers, Fauna, Mammals, Rodents},
	issn = {40},
	url = {http://archive.org/details/beaverreoccupati00sing},
	author = {Singer, Francis J and LaBrode, David P and Sprague, Lorrie}
}
@conference {5306,
	title = {Black Bear/Human Conflicts in the Great Smoky Mountains National Park},
	booktitle = {Bears -- Their Biology and Management:  Fifth International Conference on Bear Research and Management},
	year = {1980},
	note = {Illustrations, Maps},
	month = {February},
	pages = {137-139},
	publisher = {International Association for Bear Research and Management},
	organization = {International Association for Bear Research and Management},
	address = {West Glacier, MT},
	keywords = {Black bears, Black bears -- Management},
	url = {http://www.bearbiology.com/fileadmin/tpl/Downloads/URSUS/Vol_4/Singer_Bratton_Vol_4.pdf},
	author = {Singer, Francis J and Susan Power Bratton and Martinka, Clifford J}
}
@article {5005,
	title = {Black Bear Management in Great Smoky Mountains National Park},
	year = {1977},
	institution = {Uplands Field Reserach Laboratory},
	address = {Great Smoky Mountains National Park, Gatlinburg, Tennessee},
	keywords = {Black bears, Black bears -- Management, Fauna, Mammals},
	isbn = {13},
	url = {http://ia601507.us.archive.org/34/items/blackbearmanagem00sing/blackbearmanagem00sing.pdf},
	author = {Singer, Francis J and Susan Power Bratton}
}
