@book{137110,
	author = {Gas Technolotg Institute, GTI},
	title = {Sitio Web Institucional},
	publisher = {Gas Technolotg Institute, GTI},
	year = {2001},
	address = {Illinois},
	note = {Sitio Web visitado en julio de 2002. ; Navegadores de Internet},
	url = {http://www.gastechnology.org/index.html}
}