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;
Hackenberg, P., Marsch, E., & Mann, G. (2000). On the origin of the fast solar wind in polar coronal funnels. Astronomy and Astrophysics, 360, 1139-1147.