@book{39934,
	author = {Cross, Nigel},
	title = {Engineering design methods :},
	publisher = {John Wiley & Son ,},
	year = {2008},
	address = {Hoboken, NJ  :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0810/2008002727-t.html}
}