@inbook {4788,
	title = {The Dendroecology of Red Spruce Decline},
	booktitle = {Ecology and Decline of Red Spruce in the Eastern United States},
	volume = {96},
	year = {1992},
	pages = {192-231},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {New York, NY},
	keywords = {Climate, Red spruce, Spruce-Fir forests},
	author = {Cook, Edward R and Zedaker, Shephard M}
}
@article {4678,
	title = {A Tree Ring Analysis of Red Spruce in the Southern Appalachian Mountains},
	year = {1988},
	pages = {6-20},
	institution = {U.S. Department of Agriculture, Forest Service},
	address = {New Orleans, LA},
	keywords = {Red spruce, Trees -- Growth decline},
	issn = {SO-69},
	url = {http://www.srs.fs.usda.gov/pubs/gtr/gtr_so069.pdf},
	author = {Cook, Edward R}
}
@article {4629,
	title = {An Analysis of Climate and Competition as Contributors to Decline of Red Spruce in High Elevation Appalachian Forests of the Eastern United States},
	journal = {Oecologia},
	volume = {72},
	year = {1987},
	pages = {487-501},
	keywords = {Climate, Red spruce, Trees -- Growth decline},
	author = {McLaughlin, Samuel B and Downing, D. J and Blasing, T. J and Cook, Edward R and Adams, Harold S}
}
