@article {3945,
	title = {Ground verification of Aerial survey for POC root disease},
	year = {2002},
	pages = {Two page brochure},
	publisher = {PNW Research Station, USDA Forest Service, Forestry Sciences Laboratory},
	url = {http://www.fs.fed.us/pnw/publications/brochure-misc.shtml},
	author = {PNW Research Station, USDA-FS}
}
