@book{2111,
	author = {Wilford, John Noble.},
	title = {The mapmakers /},
	publisher = {A.A. Knopf,},
	year = {2000.},
	address = {New York :},
	edition = {Rev. ed.},
	url = {http://www.loc.gov/catdir/samples/random042/99049957.html}
}