@article {3418, title = {Nutrient Cycling in Red Spruce Forests of the Great Smoky Mountains}, journal = {Canadian Journal of Forest Research}, volume = {21}, year = {1991}, month = {June}, pages = {769-787}, keywords = {Acid rain, Red spruce, Soils, Trees, Woolly adelgids}, author = {Johnson, Dale W and Van Miegroet, Helga and Lindberg, Steven E and Todd, Donald E and Harrison, Robert B} }