@article {415,
	title = {Thematic mapper analysis of tree cover in semiarid woodlands using a model of canopy shadowing},
	journal = {Remote Sensing of Environment},
	volume = {36},
	number = {3},
	year = {1991},
	pages = {189-202},
	author = {Franklin, J. and Davis, F. W. and LeFebvre, P.}
}
