@book{11932,
	author = {Plummer, Charles C., and McGeary, David.},
	title = {Physical geology /},
	publisher = {McGraw-Hill,},
	year = {c2003.},
	address = {Boston :},
	edition = {9th ed. /},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/mh021/2001044741.html}
}