@book{129458,
	author = {Casares, Carlos A. M. and Tecpetrol and Congreso Latinoamericano y del Caribe de gas y electricidad (1er. : 1997 abr. 6-9 : Bariloche) and Lanziani, José Luis and Tecpetrol},
	title = {The natural gas composition in transport by pipelines}
}