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  https://web.archive.org/web/20080613235557/http://www.grimme-institut.de/html/index.php?id=783

  Keine Beschreibung vorhanden.

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  https://web.archive.org/web/20081102024359/http://www.grimme-institut.de/html/index.php?id=756

  Keine Beschreibung vorhanden.

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