@book{304077,
	author = {Rao, Natti S. and Schumacher, Günter.},
	title = {Design formulas for plastics engineers /},
	publisher = {Hanser ;},
	year = {c2004.},
	address = {Munich :},
	edition = {Second edition},
	url = {http://www.loc.gov/catdir/toc/ecip0420/2004017192.html}
}