@book{5285,
	author = {Spotts, Merhyle Franklin,  and Shoup, Terry E., },
	title = {Elementos de máquinas / },
	publisher = {Prentice Hall, },
	year = {1999.},
	address = {México ; Santa Fe de Bogotá : },
	edition = {7a. ed.},
	note = {Incluye índice.}
}