@article {3596,
	title = {Acid Deposition Alters Red Spruce Physiology: Laboratory Studies Support Field Observations},
	journal = {Canadian Journal of Forest Research},
	volume = {23},
	year = {1993},
	month = {March},
	pages = {380-386},
	keywords = {Acid rain, Red spruce, Soil acidity},
	author = {McLaughlin, Samuel B and Tjoelker, Mark G and Roy, W. Kelly}
}
