Resonant frequency in polypropylene fibre reinforced concrete (PFRC) with pozzolanic materials. Journal of Civil Engineering and Management, [S. l.], v. 8, n. 3, p. 169–176, 2002. DOI: 10.3846/13923730.2002.10531273. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/9119. Acesso em: 9 may. 2025.