@article {3077, title = {Gradient Analysis of Old Spruce {\textendash} Fir Forests of the Great Smoky Mountains circa 1935}, journal = {Canadian Journal of Botany}, volume = {71}, year = {1993}, month = {July}, pages = {951-958}, keywords = {Climate, Ecosystem, Forests, Fraser fir, Red spruce}, author = {Busing, Richard T and White, Peter S and Mackenzie, Mark D} }