@book{129455,
	author = {Sanfeliú, J. M. and Gas Natural BAN and Congreso Latinoamericano y del Caribe de gas y electricidad (1er. : 1997 abr. 6-9 : Bariloche) and Herbalejo, D. and Gas Natural BAN},
	title = {Gas network planning as mechanism to achieve better supply and optimization of investment}
}