@book{137144,
	author = {NFPA International},
	title = {Sitio Web Institucional},
	publisher = {NFPA International},
	year = {2002},
	address = {Massachusetts},
	note = {Sitio Web visitado en julio de 2002. ; Navegadores de Internet},
	url = {http://www.nfpa.org/Home/index.asp}
}