@article {3522,
	title = {Characterizing Backcountry Camping Impacts in Great Smoky Mountains National Park, USA},
	journal = {Journal of Environmental Management},
	volume = {57},
	year = {1999},
	month = {November},
	pages = {193-203},
	keywords = {Camping, Conservation},
	author = {Leung, Yu-Fai and Marion, Jeffrey L}
}
@book {11788,
	title = {An Assessment of Campsite Conditions in Great Smoky Mountains National Park},
	series = {Research/Resources Management Report},
	year = {1997},
	note = {Illustrations},
	pages = {127},
	publisher = {U. S. Department of the Interior, National Park Service },
	organization = {U. S. Department of the Interior, National Park Service },
	keywords = {Camping, Recreation},
	author = {Marion, Jeffrey L and Leung, Yu-Fai}
}
