1. Anttila, P, Ahokas, H., Front, K., Hinkkanen, H., Johansson, E., Paulamä ki, S., Riekkola, R., Saari, J., Saksa, P., Snellman, M., Wikstriim, L. and Ö hberg, A. (1999): Final disposal of spent nuclear fuel in Finnish bedrock- Olkiluoto site report. POSIVA Report 99-10, 206p.
2. Delay, J. and Cruchaudet, M. (2004): Hydraulic monitoring of low-permeability argillite at the Meuse/Haute Marne underground research laboratory, Proc. 1st EurEngGeo Regional International Association of Engineering Geologists Symposium, Liè ge, Belgium (to be published).
3. Delay, J., Lesavre, A. and Doe, T. (2004): The French Underground Research Laboratory at Bure as a precursor for deep geologic repositories, 32nd International Geological Congress, Florence, Italy (to be published as a Geological Society of America Special Paper).
4. Gautschi, A (2001): Hydrogeology of a fractured shale (Opalinus Clay): Implications for deep geologic disposal of radioactive wastes. - Hydrogeology Journal, 9, 97-107.
5. Gimmi, T. and Waber, H. (2004): Modeling of profiles of stable isotopes, chloride, and chlorine isotopes of pore water in argillaceous rocks in the Benken borehole, Nagra NTB 04-05 (in print).