1. Eawag, Swiss
Federal Institute of Aquatic Science and Technology, Ueberlandstrasse 133, CH-8600 Duebendorf, Switzerland
2. Friedrich-Schiller-University Jena, Institute of Geosciences, Mineralogy, Burgweg 11, D-07749 Jena, Germany
3. ETH Zurich, Institute for Geotechnical Engineering, CH-8093 Zurich, Switzerland
4. Karlsruhe Institute of Technology, ANKA Synchrotron
Radiation Facility, 76344 Eggenstein-Leopoldshafen, Germany