{"id":"001405126","type":"article","title":"QuickBird satellite images and Differential GPS (DGPS) in geomorphological and geoarchaeological research","publisher":"Heinrich-Barth-Institut","publisher-place":"Köln","pages":"225-236","container-title":"Proceedings of the Third International Conference on the Archaeology of the Fourth Nile Cataract","author":[{"family":"Ritter","given":"M."}],"issued":{"raw":"2012"}}