@article {12435,
	title = {Natural Variation in Abies of the Southern Appalachians},
	journal = {Forest Science},
	volume = {15},
	year = {1969},
	month = {September},
	pages = {238-245},
	keywords = {Fraser fir},
	author = {Robinson, John F and Thor, Eyvind}
}
@mastersthesis {12443,
	title = {Natural Variation in Abies of the Southern Appalachians},
	volume = {Master of Science},
	year = {1968},
	month = {August},
	school = {University of Tennessee},
	address = {Knoxville, TN},
	keywords = {Clingmans Dome, Fraser fir},
	url = {http://trace.tennessee.edu/utk_gradthes/3250/},
	author = {Robinson, John F}
}
