... Assessment Review, 25 (2) , 12 3-1 42. Wald, L. (20 00). A Conceptual Approach To The Fusion Of Earth Observation Data. Surveys in Geophysics, 2( 2- 3 ), 17 7-1 86.Wald, L. (1999). Some Terms of Reference ... information. Information Fusion, 7, 9 7-1 34.Hunter, A., & Summerton, R. (20 04). Fusion rules for context-dependent aggregation of structured news reports. Journal of Applied Non-classical ... the ION GPS-03 Conference, Portland, September 9-1 2. Ellum, C., & El-Sheimy, N. (20 02) . Land-based Integrated Systems for Mapping and GIS Applica-tions. Survey review, 36 (28 3), 32 3-3 39.Gilliéron,...