{"id":"000992157","type":"book","title":"Historical background to the Norse settlement","publisher":"Archaeopress","publisher-place":"Oxford","pages":"13-16","container-title":"Settlements at Skaill, Deerness, Orkney : Excavations by Peter Gelling of the prehistoric, Pictish, Viking and later periods, 1963-1981","author":[{"family":"Lamb","given":"Raymond"}],"issued":{"raw":"1997"}}