@article {2324, title = {Growth-trend Declines of Spruce and Fir in Mid-Appalachian Subalpine Forests}, journal = {Environmental and Experimental Botany}, volume = {25}, year = {1985}, pages = {315-325}, keywords = {Fraser fir, Red spruce, Trees -- Growth}, url = {http://www.sciencedirect.com/science/article/pii/0098847285900292}, author = {Harold S Adams and Stephenson, Steven L and Blasing, T. J and Duvick, D. N} }