@article {3414, title = {Refugial Forests of the Southern Appalachians: Photosynthesis and Survival in Current-Year Abies fraseri Seedlings}, journal = {Tree Physiology}, volume = {25}, year = {2005}, month = {November}, pages = {1379-1387}, keywords = {Climate, Forests, Fraser fir, Insects, Pollution}, author = {Johnson, Daniel M and Smith, William K} }