1. Helmholtz Zentrum Potsdam; Deutsches GeoForschungsZentrum; Telegrafenberg 14473 Potsdam Germany
2. Sciences de la Terre; Université du Québec à Chicoutimi; Chicoutimi QC Canada
3. Horia Hulubei National Institute for Nuclear Physics and Engineering; P.O. Box MG-6 Bucharest-Măgurele RO-077125 Romania
4. Department of Terrestrial Magnetism; Carnegie Institution of Washington; 5241 Broad Branch Road NW Washington DC 20015 USA
5. Curtin Water Quality Research Centre; Curtin University; GPO Box U1987 Perth WA 6845 Australia
6. Helmholtz-Zentrum Dresden-Rossendorf; Helmholtz Institute Freiberg for Resource Technology; Bautzner Landstrasse 400 01328 Dresden Germany
7. Center for Meteorite Studies; School of Earth and Space Exploration; Arizona State University; Tempe AZ 85287-1404 USA
8. Department of Geosciences; Texas Tech University; 125 Science Building Lubbock TX 79409-1053 USA