{"id":"001530315","type":"article","title":"Roman frontiers in Wales: 40 years on","publisher":"Archaeopress Publishing Ltd.","publisher-place":"Oxford","pages":"104-110","container-title":"Roman frontier studies 2009 : proceedings of the XXI International Congress of Roman Frontier Studies (Limes Congress) held at Newcastle-upon-Tyne in August 2009","author":[{"family":"Davies","given":"J.L."}],"issued":{"raw":"2017"}}