@book{129491,
	author = {Buchanan, Alejandro and Tecpetrol and Congreso Latinoamericano y del Caribe de gas y electricidad (1er. : 1997 abr. 6-9 : Bariloche) and Berra, Ricardo and Tecpetrol},
	title = {Gathering gas from annular space in wells in El Tordillo field}
}