Department of Physics and Astronomy, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA; Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Centre D'Étude de Spatiale Rayonnements, 9, ave du Colonel Roche, Toulouse Cedex, BP 44346 3, France
Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Department of Earth and Space Sciences, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA; Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA
Department of Earth and Space Sciences, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA; Institute of Geophysics and Planetary Physics, UCLA, 405 Hilgard Avenue, Los Angeles, CA 90095, USA