Alonso, E. ., Olivella, S. . and Arnedo, D. . (2006): “Mechanisms of gas transport in clay barriers”, Journal of Iberian Geology, 32(2), pp. 175–196. Available at: https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0606220175A (Accessed: 16 February 2025).