@article {3897,
	title = {Foliar Response of Red Spruce                        Saplings to Fertilization with Ca and Mg in the Great Smoky Mountains                        National Park},
	journal = {Canadian Journal of Forest                        Research},
	volume = {23},
	year = {1993},
	pages = {89-95},
	keywords = {Red spruce, Soil acidity, Trees -- Growth},
	author = {Van Miegroet, Helga and Johnson, Dale W and Todd, Donald E}
}
@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}
}
@proceedings {5362,
	title = {Nitrogen Dynamics in High-Elevation Spruce Sites in the Great Smoky Mountains National Park},
	journal = {First Annual Southern Appalachian Man and the Biosphere Conference},
	year = {1990},
	month = {November},
	pages = {42},
	publisher = {Tennessee Valley Authority},
	address = {Gatlinburg, TN},
	keywords = {Clingmans Dome, Red spruce, Soils, Spruce-Fir forests},
	author = {Van Miegroet, Helga and Johnson, Dale W and Todd, Donald E and Goodlaxson, J.  D}
}
