Natural organic matter (NOM)-clay association and impact on Callovo-Oxfordian clay stability in high alkaline solution: Spectromicroscopic evidence T. Schäfer, F. Claret, A. Bauer, L. Griffault, E. Ferrage et B. LansonJ. Phys. IV France, 104 (2003) 413-416DOI: https://doi.org/10.1051/jp4:20030111