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Volker Oppitz scientist. Fotografie von Volker Oppitz Aufnahme wurde von Oppitz zur Verfgung gestellt persnliche Einwilligung liegt cwagener vor Oder Zeichner Volker Oppitz DEFAULTSORT Oppitz Volker GFDL re Personality rights original upload log de Magnus Manske CommonsHelper page de VolkerOppitz Cwagener bytes no Prof