@article{Wilhelm1999,
  author    = {Wilhelm, Edgar},
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@article{Wilhelm2006,
  author    = {Wilhelm, Edgar},
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@article{WickelHartogh2005,
  author    = {Wickel, Hans Hermann and Hartogh, Theo},
  title     = {Ausbildungsdisziplin Musikgeragogik},
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  journal   = {Musikforum},
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@article{Wickel2011,
  author    = {Wickel, Hans Hermann},
  title     = {Auch alte Hunde k{\"o}nnen neue Kunstst{\"u}cke erlernen. Eine Standortbestimmung zur Kulturgeragogik.},
  series = {Kulturr{\"a}ume+.},
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@article{Wickel2004,
  author    = {Wickel, Hans Hermann},
  title     = {Mauern einreißen},
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@article{Wickel2004,
  author    = {Wickel, Hans Hermann},
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  volume    = {32},
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  year      = {2004},
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@article{Wickel2005,
  author    = {Wickel, Hans Hermann},
  title     = {Manchmal gibt es schwarze Tage},
  series = {Grundschule Musik},
  volume    = {34},
  journal   = {Grundschule Musik},
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  year      = {2005},
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@incollection{Wickel2012,
  author    = {Wickel, Hans Hermann},
  title     = {Singen kennt kein Alter},
  series = {R. Mail{\"a}nder, Die sch{\"o}nsten alten Kirchenlieder},
  booktitle = {R. Mail{\"a}nder, Die sch{\"o}nsten alten Kirchenlieder},
  publisher = {Carus/Reclam},
  address   = {Stuttgart},
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  year      = {2012},
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@article{Wickel2015,
  author    = {Wickel, Hans Hermann},
  title     = {Musik kennt kein Alter},
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  issn      = {1422-4674},
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@article{Wickel2016,
  author    = {Wickel, Hans Hermann},
  title     = {Singen kennt kein Alter},
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  volume    = {83},
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  issn      = {0177-6487},
  pages     = {4 -- 8},
  year      = {2016},
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@article{Wickel2016,
  author    = {Wickel, Hans Hermann},
  title     = {Singen kennt kein Alter},
  series = {Musik \& Gottesdienst. Zeitschrift f{\"u}r evangelische Kirchenmusik},
  volume    = {70},
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  issn      = {1015-6798},
  pages     = {171 -- 177},
  year      = {2016},
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@article{WallrothWinfried1996,
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@article{Wallroth2011,
  author    = {Wallroth, Martin},
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@article{Wallroth2010,
  author    = {Wallroth, Martin},
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@article{Wallroth2009,
  author    = {Wallroth, Martin},
  title     = {Sucht - eine selbstverschuldete Krankheit?},
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@article{Wallroth2009,
  author    = {Wallroth, Martin},
  title     = {Mut},
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@article{vanRandenborghdeJongMeyerHueffmeier2010,
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  volume    = {66},
  journal   = {Journal of Clinical Psychology},
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@article{ThomasLohausDomsch2012,
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  volume    = {65},
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  year      = {2012},
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@article{TenhakenSchone2008,
  author    = {Tenhaken, Wolfgang and Schone, Reinhold},
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@incollection{Sporket2012,
  author    = {Sporket, M.},
  title     = {Organisational demographic literacy: developing a conceptual framework},
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  booktitle = {CEDEFOP (Hg.): Working and aging. The benefits of investing in aging workshop},
  publisher = {Publications Office of the European Union},
  address   = {Luxemburg},
  pages     = {207 -- 226},
  year      = {2012},
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}