@article{JahnkeKuhlbrodtOerndahletal.2001,
  author    = {Jahnke, Knud and Kuhlbrodt, B. and {\"O}rndahl, E. and Wisotzki, Lutz},
  title     = {QSO host galaxy star formation history from multicolour data},
  isbn      = {0-306-46662-7},
  year      = {2001},
  language  = {en}
}
@article{KuhlbrodtWisotzkiJahnke2001,
  author    = {Kuhlbrodt, B. and Wisotzki, Lutz and Jahnke, Knud},
  title     = {Two-dimensional modeling of AGN host galaxies},
  isbn      = {0-306-46662-7},
  year      = {2001},
  language  = {en}
}
@article{WisotzkiKuhlbrodtJahnke2001,
  author    = {Wisotzki, Lutz and Kuhlbrodt, B. and Jahnke, Knud},
  title     = {The luminosity function of QSO host galaxies},
  isbn      = {0-306-46662-7},
  year      = {2001},
  language  = {en}
}