@book{153659,
	author = {Lancaster, David and Parkes, Brian},
	title = {Fieldbus technology for the LNG process},
	publisher = {Bechtel},
	year = {2002},
	address = {United States of America},
	note = {Página web visitada en enero de 2004. ; Publicado en el sitio web de Bechtel. ; Navegadores de Internet ; Adobe Acrobat (PDF)},
	url = {http://www.bechtel.com/PDF/BIP/25621.pdf}
}