@mastersthesis {PIE89,
	title = {A method to produce hydrologically corrected DEMs},
	volume = {M.S.},
	year = {2002},
	note = {Grad},
	school = {Clark University},
	type = {mastersthesis},
	address = {Worcester},
	keywords = {digital elevation model, disturbance, GIS, hydrology, land use, LTER-PIE, watershed},
	author = {Parker, D.}
}
