Sternberg T, Tsolmon R, Middleton N, Thomas DJanuary 2011Journal article Journal:International Journal of Digital EarthVolume:4Issue:1, Taylor & Francis, pp.50 - 64No abstract availableKeywords:37 Earth Sciences , 4013 Geomatic Engineering , 40 Engineering , 3704 Geoinformatics DOI10.1080/17538940903506006