@incollection{Wickel2001,
  author    = {Wickel, Hans Hermann},
  title     = {Musik in der sozialen Arbeit},
  series = {Siegmund Helms/Reinhard Schneider \& Rudolf Weber, Praxisfelder der Musikp{\"a}dagogik},
  booktitle = {Siegmund Helms/Reinhard Schneider \& Rudolf Weber, Praxisfelder der Musikp{\"a}dagogik},
  edition   = {1.},
  publisher = {Bosse},
  address   = {Kassel},
  isbn      = {3-7649-2674-0},
  pages     = {169 -- 189},
  year      = {2001},
  language  = {de}
}
@incollection{Wickel2001,
  author    = {Wickel, Hans Hermann},
  title     = {Verklanglichungen im Schulkindergarten},
  series = {Norbert Rath \& Klaus Ravenberg, Der Schulkindergarten. Bd. 2: Neue Arbeitsmodelle},
  booktitle = {Norbert Rath \& Klaus Ravenberg, Der Schulkindergarten. Bd. 2: Neue Arbeitsmodelle},
  edition   = {1.},
  publisher = {Waxmann},
  address   = {M{\"u}nster},
  isbn      = {3-89325-830-2},
  pages     = {163 -- 176},
  year      = {2001},
  language  = {de}
}