{"id":"001033528","type":"book","title":"Der \"Fulbert-Stollen\" am Laacher See und der Tiergartentunnel von Blankenheim","publisher-place":"Bochum","pages":"187-196","container-title":"Man and mining - Mensch und Bergbau. Studies in honour of Gerd Weisgerber on occasion of his 65th birthday","author":[{"family":"Grewe","given":"Klaus."}],"issued":{"raw":"2003"}}