Hilchenbach, M. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
McMullin, D. R., Judge, D. L., Phillips, E., Hilchenbach, M., Bochsler, P., Wurz, P., et al. (2002). Measuring the ionization rate of in-flowing interstellar helium with the SOHO/CELIAS/SEM. In A. Wilson (Ed.), Proc. SOHO-11 Symposium `From Solar Min to Max: Half a Solar Cycle with SOHO' (pp. 489-491). Noordwijk: ESA Publ. Div.
