Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, Graz, 8042 Austria
Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, Graz, 8042 Austria; Max-Planck-Institut für extraterrestrische Physik, Garching bei München, 85741 Germany
Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, Graz, 8042 Austria
Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, Graz, 8042 Austria
Space Environment Research Center, Department of Earth and Planetary Sciences, Kyushu University 33, Hakozaki, 6-10-1 Japan
Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, Graz, 8042 Austria
Max-Planck-Institut für extraterrestrische Physik, Garching bei München, 85741 Germany
Space Atmospheric Physics Group, Department of Physics, H/6M67A, Huxley Building, Imperial College, London, SW7 2AZ United Kingdom
Space Environment Research Center, Department of Earth and Planetary Sciences, Kyushu University 33, Hakozaki, 6-10-1 Japan