SAFAR ALYAS MICHAEL AL-SAFFAR, M.; KHALID SADDIQ AL-SHAIKH-ALI, D. Riprap Gradation Effect On Local Scour Around Bridge Piers. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 16, n. 1, p. 56–68, 2008. DOI: 10.33899/rengj.2008.44049. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/31537. Acesso em: 4 sep. 2025.