Castellote, M., M. C. Alonso, and C. Andrade. “Determination of the OH- Content in the Aqueous Phase of Hardened Cementitious Materials by an Empirical Leaching Method”. Materiales de Construcción 52, no. 265 (March 30, 2002): 39–56. Accessed March 29, 2024. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/343.