@mastersthesis {PIE252,
	title = {How to tell when map difference indicates land change},
	volume = {MS Degree},
	year = {2010},
	note = {Grad},
	school = {Clark University},
	type = {mastersthesis},
	address = {Worcester, MA},
	keywords = {disturbance, land use change, LTER-PIE},
	author = {Alpern, J.}
}
