@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik und Musikalit{\"a}t. Zu der Begrifflichkeit und den (sozial-)p{\"a}dagogischen und therapeutischen Implikationen},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {45 -- 55},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Instrumentarium},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {113 -- 122},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Verklanglichung},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {135 -- 142},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Biografiearbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {223 -- 228},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik in der Altenarbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {359 -- 372},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik in der Behindertenarbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {373 -- 385},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik im Strafvollzug},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {435 -- 440},
  year      = {2004},
  language  = {de}
}
@incollection{HartoghWickel2004,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Zur musikalischen Professionalit{\"a}t in der Sozialen Arbeit},
  series = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  booktitle = {Th. Hartogh \& H. H. Wickel, Handbuch: Musik in der Sozialen Arbeit},
  edition   = {1.},
  publisher = {Juventa},
  address   = {Weinheim},
  isbn      = {3-7799-0787-9},
  pages     = {443 -- 451},
  year      = {2004},
  language  = {de}
}
@incollection{WickelHartogh2008,
  author    = {Wickel, Hans Hermann and Hartogh, Theo},
  title     = {Musikgeragogik},
  series = {Verband deutscher Musikschulen, Musik - ein Leben lang. Grundlagen und Praxisbeispiele.},
  booktitle = {Verband deutscher Musikschulen, Musik - ein Leben lang. Grundlagen und Praxisbeispiele.},
  edition   = {1.},
  publisher = {VdM},
  address   = {Bonn},
  isbn      = {978-3-925574-71-9},
  year      = {2008},
  language  = {de}
}
@incollection{HartoghWickel2012,
  author    = {Hartogh, Theo and Wickel, Hans Hermann},
  title     = {Musik in der Sozialen Arbeit - aufgezeigt am Arbeitsfeld Soziale Altenarbeit},
  series = {M.-S. Meis \& G.-A. Mies, K{\"u}nstlerisch-{\"a}sthetische Methoden in der Sozialen Arbeit},
  booktitle = {M.-S. Meis \& G.-A. Mies, K{\"u}nstlerisch-{\"a}sthetische Methoden in der Sozialen Arbeit},
  edition   = {1. Aufl.},
  publisher = {Kohlhammer},
  address   = {Stuttgart},
  isbn      = {978-3-17-021385-2},
  pages     = {203 -- 222},
  year      = {2012},
  language  = {de}
}