Kovalchuk, G., A. Fernández-Jiménez, and A. Palomo. “Alkali-Activated Fly Ash. Relationship Between Mechanical Strength Gains and Initial Ash Chemistry”. Materiales de Construcción 58, no. 291 (September 30, 2008): 35–52. Accessed April 19, 2024. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/101.