Alonso, A., E. Tejeda, F. Moreno, M. C. Rubio, and E. Medel. “A Comparative Study of Natural Zeolite and Synthetic Zeolite As an Additive in Warm Asphalt Mixes”. Materiales de Construcción 63, no. 310 (June 30, 2013): 195–217. Accessed April 25, 2024. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1292.