@article {2914,
	title = {Spectral Response and Spatial Pattern of Fraser fir Mortality and Regeneration, Great Smoky Mountains, USA},
	journal = {Plant Ecology},
	volume = {156},
	year = {2001},
	note = {Maps},
	month = {September},
	pages = {59-74},
	keywords = {Ecosystem, Forests, Fraser fir, Geographic information systems, Red spruce, Woolly adelgids},
	url = {http://www.springerlink.com/content/v8440x84tg047wh5/},
	author = {Allen, Thomas R and Kupfer, John A}
}
@article {2913,
	title = {Application of Spherical Statistics to Change Vector Analysis of Landsat Data: Southern Appalachian                        Spruce-Fir Forests},
	journal = {Remote Sensing of Environment},
	volume = {74},
	year = {2000},
	note = {Maps},
	month = {December},
	pages = {482-493},
	keywords = {Ecosystem, Flora, Fraser fir, Mapping, Red spruce, Trees, Woolly adelgids},
	author = {Allen, Thomas R and Kupfer, John A}
}
