{"id":"001405874","type":"article","title":"The stone artefacts from the 2004 survey on Boni Island","publisher":"Heinrich-Barth-Institut","publisher-place":"Köln","pages":"107-115","container-title":"Proceedings of the Third International Conference on the Archaeology of the Fourth Nile Cataract","author":[{"family":"Maier","given":"A."}],"issued":{"raw":"2012"}}