@book{67,
	author = {DeMers, Michael N.},
	title = {Fundamentals of geographic information systems /},
	publisher = {J. Wiley,},
	year = {c2003.},
	address = {Hoboken, NJ :},
	edition = {2nd ed., Update ed. with integrated lab exercises},
	url = {http://www.loc.gov/catdir/toc/wiley032/2003269624.html}
}