{"id":"001405127","type":"article","title":"Flaked stone artefacts from four Early Khartoum/Neolithic settlement sites on Boni Island","publisher":"Heinrich-Barth-Institut","publisher-place":"Köln","pages":"129-136","container-title":"Proceedings of the Third International Conference on the Archaeology of the Fourth Nile Cataract","author":[{"family":"Schmidgen-Hager","given":"Elke"}],"issued":{"raw":"2012"}}