Schwenn, R. Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Gonzalez, W. D., Tsurutani, B. T., Lepping, R. P., & Schwenn, R. (2002). Interplanetary phenomena associated with very intense geomagnetic storms. Journal of Atmospheric and Solar-Terrestrial Physics, 64(2), 173-181.