@incollection{Wickel2001,
  author    = {Hans Hermann Wickel},
  title     = {Verklanglichungen im Schulkindergarten},
  booktitle = {Norbert Rath \& Klaus Ravenberg, Der Schulkindergarten. Bd. 2: Neue Arbeitsmodelle},
  edition   = {1.},
  isbn      = {3-89325-830-2},
  year      = {2001},
}