1
Published 2008
Springer Berlin Heidelberg
Table of Contents: ...-Rays from Nearby Galaxies -- X-Ray Flares in the Cores of Galaxies -- Active Galactic Nuclei -- X-Ray...

2
Published 2007
Springer Berlin Heidelberg
Table of Contents: ...Cosmology -- Gravity -- Black Holes -- Active Galactic Nuclei -- Clusters of Galaxies -- Gamma Ray...