@book{Merchel2009,
  author    = {Merchel, Joachim},
  title     = {Sozialmanagement},
  edition   = {3., {\"u}berarb. Aufl.},
  publisher = {Juventa-Verl.},
  address   = {Weinheim [u.a.]},
  isbn      = {978-3-7799-1829-5},
  pages     = {150 S. : graph. Darst.},
  year      = {2009},
  language  = {de}
}
@book{Pfeiffer2009,
  author    = {Pfeiffer, H.},
  title     = {Polizei. Außendarstellung in {\"O}ffentlichkeit und Medien},
  editor    = {Linssen, R},
  edition   = {1. Aufl},
  publisher = {Verlag f{\"u}r Polizeiwissenschaft},
  address   = {Frankfurt / M.},
  isbn      = {978-3-86676-073-8},
  pages     = {145 S},
  year      = {2009},
  language  = {de}
}
@book{Ulbrich2009,
  author    = {Ulbrich, Hans-Joachim},
  title     = {Geteilter Bildschirm - getrennte Welten? Konzepte f{\"u}r P{\"a}dagogik und Bildung},
  editor    = {Hoffmann, Bernward},
  publisher = {kopaed},
  address   = {M{\"u}nchen},
  isbn      = {978-3-86736-0},
  year      = {2009},
  language  = {de}
}
@book{Wickel2009,
  author    = {Wickel, Hans Hermann},
  title     = {Musik bis ins hohe Alter. Fortf{\"u}hrung, Neubeginn, Therapie},
  editor    = {T{\"u}pker, Rosemarie},
  edition   = {2. Aufl.},
  publisher = {Books on Demand},
  address   = {Norderstedt},
  isbn      = {978-3-8391-0108-7},
  year      = {2009},
  language  = {de}
}