@book{31048,
	author = {Davis, David A. and Walker, Theodore D.},
	title = {Plan graphics /},
	publisher = {Wiley,},
	year = {c2000.},
	address = {New York, NY :},
	edition = {5th ed.},
	note = {Walker's name appears first on the earlier edition.},
	url = {http://www.loc.gov/catdir/bios/wiley041/98051606.html}
}