{"id":"001273452","type":"book","title":"Die Groma aus der Sicht eines Landvermessers: Messinstrument oder Kultgerät?","pages":"95-108","container-title":"Archäologisches Korrespondenzblatt, 37,1 (2007","author":[{"family":"Opdenberg","given":"Georg"}],"issued":{"raw":"2007"}}