@incollection{Harth2010,
  author    = {Harth, Thilo},
  title     = {E-Mail},
  series = {Besand, Anja (Hrsg): Handbuch Medien in der politischen Bildung},
  booktitle = {Besand, Anja (Hrsg): Handbuch Medien in der politischen Bildung},
  edition   = {1. Aufl},
  publisher = {Wochenschau Verlag},
  address   = {Schwalbach/Taunus},
  isbn      = {3-89974-611-2},
  pages     = {179 -- 185},
  year      = {2010},
  language  = {de}
}
@incollection{Harth2010,
  author    = {Harth, Thilo},
  title     = {Suchmaschinen},
  series = {Besand, Anja (Hrsg): Handbuch Medien in der politischen Bildung},
  booktitle = {Besand, Anja (Hrsg): Handbuch Medien in der politischen Bildung},
  edition   = {1. Aufl},
  publisher = {Wochenschau Verlag},
  address   = {Schwalbach/Taunus},
  isbn      = {3-89974-611-2},
  pages     = {503 -- 512},
  year      = {2010},
  language  = {de}
}
@article{Harth2010,
  author    = {Harth, Thilo},
  title     = {Politisches Lernen und berufliche Lernfelder},
  series = {Kursiv - Journal f{\"u}r politische Bildung},
  journal   = {Kursiv - Journal f{\"u}r politische Bildung},
  number    = {1},
  pages     = {52 -- 61},
  year      = {2010},
  language  = {de}
}