{"id":"001002256","type":"book","title":"Viewshed and cost surface analysis using GIS (Cartographic modelling in a cell-based GIS 2)","publisher":"Archaeopress","publisher-place":"Oxford","pages":"215-223","container-title":"New techniques for old times. CAA 98. Computer applications and quantitive methods in archaeology. Proceedings of the 26th Conference, Barcelona, march 1998","author":[{"family":"Leusen","given":"Martijn van."}],"issued":{"raw":"1999"}}