@book{133275,
	author = {Tonial, Ilonir and Petrobras and Congreso Latinoamericano de Refinación (1er. : 1995 oct. 16-20 : Buenos Aires) and Leite, Leni F.M. and Petrobras},
	title = {Produção de cimientos asfálticos de petróleo na Petrobras},
	publisher = {Instituto Argentino del Petróleo, IAP}
}