Institution: | (1) Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Miusskaya pl. 4, 125047 Moscow, Russia;(2) AOES, Haagse Schouwweg 6G, 2332 KG Leiden, The Netherlands;(3) Max Planck Institute for Aeronomy, D-37191 Katlenburg-Lindau, Germany |