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Continue to ChatDie Massiven Obsidiane und ihre Rahmengesteine der Region İkizdere (Türkei). - https://avesis.ktu.edu.tr/yayin/bd2788b3-9a5f-49df-9425-7b1bc99bffdc/die-massiven-obsidiane-und-ihre-rahmengesteine-der-region-ikizdere-turkei