Kopp, A. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Büsching, I., Kopp, A., Pohl, M., Schlickeiser, R., Perrot, C., & Grenier, I. (2005). Cosmic-ray propagation properties for an origin in supernova remnants. Astrophysical Journal, 619(1), 314-326. doi:10.1086/426537.