@article {11561,
	title = {Widespread Reductions in Haze across the United States from the Early 1990s through 2011},
	journal = {Atmospheric Environment},
	volume = {94},
	year = {2014},
	month = {May 27},
	pages = {671-679},
	publisher = {Elsevier},
	keywords = {Air pollution, Air quality},
	author = {Hand, Jennifer L and Schichtel, Bret A and Malm, William C and Copeland, S. and Molenar, J. V and Frank, N. and Pitchford, Marc L}
}
@article {3178,
	title = {Aerosol Light Scattering Measurements as a Function of Relative Humidity},
	journal = {Journal of the Air \& Waste Management Association},
	volume = {50},
	year = {2000},
	note = {Illustrations},
	month = {May},
	pages = {710-716},
	keywords = {Aerosol monitoring, Air pollution, Soils},
	author = {Day, Derek E and Malm, William C and Kreidenweis, Sonia M}
}
@article {3670,
	title = {An Analysis of the Yearly Changes in Sulfur Concentrations at Various National Parks in the United States, 1980-1996},
	journal = {Journal of the Air \& Waste Management Association},
	volume = {50},
	year = {2000},
	month = {May},
	pages = {790-801},
	keywords = {Aerosol monitoring, Air pollution, Conservation -- Government regulations},
	author = {Patterson, Paul and Iyer, Hari and Sisler, James and Malm, William C}
}
@article {2923,
	title = {Optical Measurements of Aerosol Size Distributions in Great Smoky Mountains National Park: Dry Aerosol Characterization},
	journal = {Journal of the Air \& Waste Management Association},
	volume = {50},
	year = {2000},
	month = {May},
	pages = {665-676},
	keywords = {Air particles, Air pollution, Southeastern Aerosol and Visibility Study},
	author = {Ames, Roger B and Hand, Jennifer L and Kreidenweis, Sonia M and Day, Derek E and Malm, William C}
}
@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}
}
@article {4131,
	title = {Final Report: Southeastern Aerosol and Visibility Study},
	year = {1995},
	institution = {National Park Service, Electric Power Research Institute},
	address = {Great Smoky Mountains National Park},
	keywords = {Aerosol monitoring, Air pollution, Air quality, Southeastern Aerosol and Visibility Study},
	author = {Day, Derek E and Malm, William C and Ames, Roger B}
}
@article {5521,
	title = {Characteristics and Origins of Haze in the Continental United States},
	journal = {Earth-Science Reviews},
	volume = {33},
	year = {1992},
	pages = {1-36},
	keywords = {Air pollution, Air quality},
	author = {Malm, William C}
}
