@article {3177,
	title = {Seasonal Variations in Aerosol Composition and Acidity at Shenandoah and Great Smoky Mountains National Parks},
	journal = {Journal of the Air \& Waste Management Association},
	volume = {47},
	year = {1997},
	month = {March},
	pages = {411-418},
	keywords = {Acid rain, Aerosol monitoring, Air pollution},
	author = {Day, Derek E and Malm, William C and Kreidenweis, Sonia M}
}
