{"id":"001250412","type":"book","title":"Opus Danorum. Befestigungswälle im altdänischen Grenzland","publisher":"Theiss","publisher-place":"Stuttgart","pages":"18-21","container-title":"Archäologie in Deutschland, 1992,3 (1992","author":[{"family":"Andersen","given":"Henning Hellmuth"}],"issued":{"raw":"1992"}}