@book{41684,
	author = {Norton, Robert L.},
	title = {Design of machinery :},
	publisher = {McGraw-Hill,},
	year = {c2008.},
	address = {New York :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0718/2007020943.html}
}