@mastersthesis {PIE279,
	title = {Characterizing land changes over several points in time},
	volume = {M.S.},
	year = {2011},
	note = {Grad},
	school = {Clark University},
	type = {mastersthesis},
	address = {Worcester, MA},
	keywords = {disturbance, geospatial modeling, land use change, LTER-PIE},
	author = {Zhang, Y.}
}
