Aschenbach, Bernd High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Aschenbach, B. (2005). Mass and spin of the galactic center black hole Sgr A*. In U. G. Briel, S. Sembay, & A. Read (Eds.), EPIC-XMM-Newton Consortium Meeting 5 Years of Science with XMM-Newton (pp. 87-88). Garching b. München: Max-Planck-Institut für extraterrestrische Physik.
