@book{13341,
	author = {Masser, Ian.},
	title = {GIS worlds :},
	publisher = {ESRI Press,},
	year = {2005.},
	address = {Redlands, Calif. :},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/toc/ecip057/2005004162.html}
}