Marsch, E. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society; Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;
Marsch, E., Zhao, L., & Tu, C.-Y. (2006). Limits on the core temperature anisotropy of solar wind protons. Annales Geophysicae, 24, 2057-2063. doi:10.5194/angeo-24-2057-2006.