| Institution: | (1) The Astronomical Institute, Utrecht;(2) University of Amsterdam, Amsterdam, The Netherlands;(3) Kiruna Geophysical Institute, Sweden;(4) Institute for Theoretical Physics, University of Utrecht, Utrecht, The Netherlands;(5) Department of Plasma Physics, Royal Institute of Technology, S-100 44 Stockholm, Sweden;(6) Royal Observatory, Edinburgh, Scotland;(7) Department of Mathematics, Rijksuniversiteit, Budapestlaan 6, The Netherlands;(8) Royal Institute of Technology, Stockholm;(9) Ruhr University, Bochum |
