autor, S. (2006) «The study of Spanish clays for their use as sealing materials in nuclear waste repositories: 20 years of progress», Journal of Iberian Geology, 32(1), pp. 15–36. Disponible en: https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0606120015A (Accedido: 25 julio 2026).