\begin{thebibliography}{45}
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\bibitem[{\textit{Wenig} \textit{et~al.}(2007)\textit{Wenig, Cede, Bucsela,
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\bibitem[{\textit{Wittrock} \textit{et~al.}(2004)\textit{Wittrock, Oetjen,
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\end{thebibliography}
