@book{198328,
	author = {Rumié, Odette and Rio Oil & Gas (2006 sept. 11-14 : Rio de Janeiro, Brazil)},
	title = {The massive use of natural gas for residential use in Colombia},
	url = {http://biblioteca.iapg.org.ar/ArchivosAdjuntos/Oil&Gas_Rio_2006/IBP_1129.pdf}
}