Hilchenbach, M. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Bamert, K., Wimmer-Schweingruber, R., Kallenbach, R., Hilchenbach, M., & Klecker, B. (2004). Suprathermal ions of solar and interstellar origin associated with the April 912, 2001, CMEs. Advances in Space Research, 34, 161-165. doi:10.1016/j.asr.2003.01.036.