@book{152351,
	author = {Lemoff, Theodore C. and National Fire Protection Association and Lemoff, Theodore C. and American Gas Association, AGA},
	title = {National fuel gas code handbook},
	publisher = {National Fire Protection Association},
	year = {1999},
	address = {Quincy},
	edition = {4th ed.},
	note = {Con el texto completo de la edición de 1999 de NFPA 54}
}