Aperador-Chaparro, William, Arnoldo Emilio Delgado-Tobón, and Jorge Hernando Bautista-Ruiz. “Application of Cathodic Protection at the Laboratory in AAS and OPC ,mortar under a Marine Environment”. Ingenieria y Universidad 16, no. 1 (June 7, 2012): 77. Accessed March 8, 2021. https://revistas.javeriana.edu.co/index.php/iyu/article/view/2488.