{"id":"001017060","type":"book","title":"The end of garrisons on Hadrian's Wall: an historico-environmental model","publisher":"Institute of Archaeology, University College in London","publisher-place":"London","pages":"69-80","container-title":"The Later Roman Empire today : Papers given in honour of Professor John Mann, 23 may 1992","author":[{"family":"Casey","given":"P.J."}],"issued":{"raw":"1993"}}