@article {4998,
	title = {The Balsam Woolly Aphid and Spruce-Fir Forests: A Summary of Pertinent Information for the Great Smoky Mountains National Park Interpretation Staff and the Tremont Environmental Education Center Staff},
	year = {1983},
	month = {May 1},
	institution = {Great Smoky Mountains Natural History Association },
	address = {Gatlinburg, TN},
	keywords = {Ecosystem, Forests, Fraser fir, Pollution, Red spruce, Woolly adelgids},
	url = {http://diglib.lib.utk.edu/dotsdata/UplandsFieldResearch_TheBalsamWoollyAphidAndSpruceFirForests_1983.pdf},
	author = {Uplands Field Research Laboratory}
}
