About the certification of railway rails. Frattura ed Integrità Strutturale, [S. l.], v. 7, n. 26, p. Pages 57–68, 2013. DOI: 10.3221/IGF-ESIS.26.07. Disponível em: https://ww3.fracturae.com/index.php/fis/article/view/1171. Acesso em: 25 sep. 2024.