@book{198358,
	author = {Bastos Machado, Guilherme and Rio Oil & Gas (2006 sept. 11-14 : Rio de Janeiro, Brazil)},
	title = {ÔNIBUS URBANOS A GÁS NATURAL},
	url = {http://biblioteca.iapg.org.ar/ArchivosAdjuntos/Oil&Gas_Rio_2006/IBP_1306.pdf}
}