@inbook {646,
	title = {GIS and remote sensing},
	booktitle = {Geographical Information Systems: Principles and Applications},
	volume = {1},
	year = {1991},
	month = {1991},
	pages = {191-213},
	publisher = {Longman Scientific \& Technical},
	organization = {Longman Scientific \& Technical},
	address = {London},
	author = {Davis, F. W. and Simonett, D. S.},
	editor = {Maguire, D. J. and Goodchild, M. F. and Rhind, D. W.}
}
@inbook {387,
	title = {GIS and remote sensing},
	booktitle = {Geographical Information Systems: Principles and Applications},
	volume = {1},
	year = {1991},
	pages = {191-213},
	publisher = {Longman Scientific \& Technical},
	organization = {Longman Scientific \& Technical},
	address = {London},
	author = {Davis, F. W. and Simonett, D. S.},
	editor = {Maguire, D. J. and Goodchild, M. F. and Rhind, D. W.}
}
