{"id":"000495752","type":"article","title":"Zur Entdeckung einer spätkeltischen Viereckschanze im Grossen Bremgartenwald bei Bern","pages":"1-6","container-title":"Ur-Schweiz. La Suisse primitive, 29.1965","author":[{"family":"Grütter","given":"H."}],"issued":{"raw":"1965"}}