Institution: | University of California, Lawrence Livermore National Laboratory, PO Box 808 L-200,;Livermore, CA 94551-9900, USA. E-mail: Universitéde Rennes 1,;Campus Beaulieu, Bât. 15, 35042 Rennes Cedex, France Department of Geology and Geophysics, University of Wisconsin, 1215;West Dayton Street, Madison, WI 53706, USA |