{"id":"003077083","type":"article","title":"Why did Hadrian′s Wall take so long to build?","publisher":"Society of Antiquaries of Newcastle-upon-Tyne","publisher-place":"Newcastle-upon-Tyne","pages":"159-180","container-title":"Archaeologia Aeliana ser. 6, 2 (2023","author":[{"family":"Graafstal","given":"Erik P."},{"family":"Breeze","given":"David John"}],"issued":{"raw":"2023"}}