@article {5341, title = {Status of the Balsam Woolly Aphid in the Great Smoky Mountains National Park --- 1976}, year = {1976}, pages = {1-24}, institution = {Uplands Field Research Laboratory}, address = {Gatlinburg, TN}, keywords = {Fraser fir, Spruce-Fir forests, Trees -- Diseases and pests, Woolly adelgids}, url = {http://archive.org/details/statusofbalsamwo00hayr}, author = {Hay, Ronald L and Eagar, Christopher C and Johnson, Kristine D} }