@inbook {4785, title = {Spruce-fir Forests of Eastern North America}, booktitle = {Ecology and Decline of Red Spruce in the Eastern United States}, volume = {96}, year = {1992}, pages = {3-39}, publisher = {Springer-Verlag}, organization = {Springer-Verlag}, address = {New York, NY}, keywords = {Fraser fir, Logging, Red spruce, Spruce-Fir forests, Woolly adelgids}, isbn = {0-387-97786-4}, author = {White, Peter S and Cogbill, Charles V} }