Wilhelm, K. 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;
Wilhelm, K. (2006). Solar coronal-hole plasma densities and temperatures. Astronomy and Astrophysics, 455(2), 697-708. doi:10.1051/0004-6361:20054693.