Pietsch, W. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Tüllmann, R., Pietsch, W., Rossa, J., Breitschwerdt, D., & Dettmar, R. J. (2006). The multi-phase gaseous halos of star forming late-type galaxies - I. XMM-Newton observations of the hot ionized medium. Astronomy & Astrophysics, 448(1), 43-75. doi:10.1051/0004-6361:20052936.