Burwitz, V. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Predehl, P. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Ness, J.-U., Schmitt, J. H. M. M., Burwitz, V., Mewe, R., Raassen, A. J. J., van der Merr, R. L. J., et al. (2002). Coronal density diagnostics with Helium-like triplets: CHANDRA- LETGS observations of Algol, Capella, Procyon, ε Eri, α Cen A & B, UX Ari, AD Leo, YY Gem, and HR 1099. Astronomy & Astrophysics, 394(3), 911-926.