Schühle, U. 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;
Gottwald, A., Richter, M., Ulm, G., & Schühle, U. (2005). Stability of vacuum-ultraviolet radiometric transfer standards: electron cyclotron resonance versus hollow cathode source. Review of Scientific Instruments, 76: 023101. doi:10.1063/1.1835051.