Silva Pontes, C. A., B. Brandão, L. E., & Marques Salgado, C. (2021). Obstructions identification in petroleum, petroleum derivatives and water transport pipes by means of a radiotracer. Instituto De Engenharia Nuclear: Progress Report, (3), 33. Recuperado de https://revistas.ien.gov.br/index.php/ienprogressreport/article/view/344