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. (2002). Vacuum-ultraviolet observations of the solar upper atmosphere. In W. Schröder (Ed.), Solar Variability and Geomagnetism, Lectures from the IAGA Meeting in Hanoi 2001 (pp. 37-77). Bremen-Rönnebeck/Potsdam: Science Edition, AKGGKP.