@book{6266,
	author = {Shigley, Joseph Edward. and Paniagua Bocanegra, Francisco, },
	title = {Manual de diseño mecánico / },
	publisher = {McGraw-Hill, },
	year = {1989.},
	address = {Mexico : },
	edition = {4a. ed.},
	note = {Incluye índice.}
}