@book{17849,
	author = {Stewart, John Robert,},
	title = {Bridges not walls :},
	publisher = {McGraw-Hill,},
	year = {c2002.},
	address = {Boston :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/toc/mh031/2001030365.html}
}