@book{56267,
	author = {Budynas, Richard G. and Nisbett, J. Keith},
	title = {Shigley's mechanical engineering design /},
	publisher = {McGraw-Hill,},
	year = {c2011},
	series = {McGraw-Hill series in mechanical engineering},
	address = {New York :},
	edition = {9th ed.}
}