Department of Earth and Space Sciences and Institute of Geophysics and Planetary Physics, UCLA, 595 Charles Young Dr E, Los Angeles, CA 90095 United States
Department of Earth and Space Sciences and Institute of Geophysics and Planetary Physics, UCLA, 595 Charles Young Dr E, Los Angeles, CA 90095 United States ; Laboratoire de Physique de la Matiere Condensee, CNRS UMR6622, Universite de Nice - Sophia Antipolis, Parc Valrose, Nice Cedex 2, 06108 France