@book{178779,
	author = {American Society of Mechanical Engineers, ASME},
	title = {Pipe flanges and flanged fittings. NPS 1/2 through NPS 24 metric/inch standard},
	publisher = {ASME},
	year = {2004},
	address = {New York},
	note = {Revisión de la ASME B16.5-1996}
}