@book {11073,
	title = {Air Quality},
	series = {Great Smoky Mountains National Park management folio},
	year = {2006},
	note = {Color Illustrations, Color Map},
	pages = {n.p.},
	publisher = {Great Smoky Mountains Association},
	organization = {Great Smoky Mountains Association},
	edition = {rev.},
	keywords = {Air pollution},
	author = {Humphries, George}
}
