@article{WolfWisotzkiBorchetal.2003,
  author    = {C. Wolf and Lutz Wisotzki and Andrea Borch and S. Dye and M. Kleinheinrich and Klaus Meisenheimer},
  title     = {The evolution of faint AGN between z similar or equal to 1 and z similar or equal to 5 from the COMBO-17 survey},
  year      = {2003},
}