@book{103533,
	author = {Ropeik, David. and Gray, George},
	title = {Risk :},
	publisher = {Houghton Mifflin,},
	year = {c2002.},
	address = {Boston :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/samples/hm051/2002075934.html}
}