Silva Pontes, Carlos Alberto, Luis Eduardo B. Brandão, e Cesar Marques Salgado. 2021. “Obstructions Identification in Petroleum, Petroleum Derivatives and Water Transport Pipes by Means of a Radiotracer”. Instituto De Engenharia Nuclear: Progress Report, nº 3 (julho):33. https://revistas.ien.gov.br/index.php/ienprogressreport/article/view/344.