@article {3595, title = {Two Hundred Year Variation of Southern Red Spruce Radial Growth as Estimated by Spectral Analysis: Comment}, journal = {Canadian Journal of Forest Research}, volume = {24}, year = {1994}, month = {November}, pages = {2299-2304}, keywords = {Red spruce, Trees -- Growth}, author = {McLaughlin, Samuel B and Blasing, T. J and Downing, D. J} } @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} }