TY  - GEN
AU  - Beckmann, Volker 
AU  - Shrader, Chris
TI  - Active Galactic Nuclei
SN  - 9783527410781
U1  - 523.112 
PY  - 2012///
CY  - Germany
PB  - WILEY-VCH Verlag GmbH & Co. kGaA
KW  - AGN variability
KW  - Quasars and Cosmology
KW  - Radiative Processes
N1  - Includes Reference and Index
ER  -