1. Institute of Geological Sciences & Oeschger Centre for Climate Change Research; University of Bern; 3012 Bern Switzerland
2. Dr. von Moos AG; Bachofnerstrasse 5 8037 Zürich Switzerland
3. Dr. von Moos AG; Dorfstrasse 40 8214 Gächlingen Switzerland
4. Department of Earth Sciences; Brock University; St. Catharines ON L2S 3A1 Canada