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;
Lemaire, P., & Wilhelm, K. (1994). Study of the quiet corona with the SOHO/SUMER spectrometer. Advances in Space Research, 14, (4)171-(4)174.