Grupe, D. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Grupe, D., & Leighly, K. M. (2002). Outflows in Narrow-line Seyfert 1 galaxies. In T. Boller, S. Komossa, S. Kahn, H. Kunieda, & L. Gallo (Eds.), Proceedings of the Workshop on X-Ray Spectroscopy of AGN with Chandra and XMM-Newton (pp. 287-288). Garching: Max-Planck-Institut für extraterrestrische Physik.