Merloni, A. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Heinz, S., Merloni, A., & Schwab, J. (2007). The kinetic luminosity function and the jet production efficiency of growing black holes. Astrophysical Journal, 658(1 Part 2), L9-L12. doi:10.1086/513507.