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 VUV measurements obtained by SOHO instruments and their radiometric calibration. Advances in Space Research, 37(2), 225-233. doi:10.1016/j.asr.2004.12.057.