@article {3452,
	title = {Characterization of Fine Particle Sources in the Great Smoky Mountains Area},
	journal = {Science of the Total Environment},
	volume = {368},
	year = {2006},
	month = {September},
	pages = {781-794},
	keywords = {Air particles, Air quality, Tourism},
	author = {Kim, E. and Hopke, P. K}
}
