@article {PIE132,
	title = {Useful techniques of validation for spatially explicit land-change models.},
	journal = {Ecological Modeling},
	volume = {179},
	year = {2004},
	note = {PI Plum Data},
	pages = {445-461},
	keywords = {LTER-PIE, LUCC Model, Null Scale, prediction, Resolution, Validation},
	doi = {10.1016/j.ecolmodel.2004.05.010},
	author = {Pontius, R.G., Jr. and Huffaker, D. and Denman, K.}
}
@proceedings {PIE90,
	title = {Uncertainty Analysis in Land Change Modeling: Constucting a Gridded Map from Tabular Data.},
	journal = {The Second International Conference on Geographic Information Science},
	year = {2002},
	note = {PI Plum Data},
	pages = {141-142},
	address = {Boulder, CO},
	keywords = {GIS, land use, LTER-PIE, model validation},
	author = {Pontius, R.G., Jr. and Agrawal, A. and Huffaker, D.}
}
