Bustos, Fernando, Patricia Martinez, Carlos Videla, and Mauricio Lopez. “Reducing Concrete Permeability by Using Natural Pozzolans and Reduced Aggregate-to-Pasteratio”. Journal of Civil Engineering and Management 21, no. 2 (January 30, 2015): 165-176. Accessed May 3, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/2984.