1. Radiometric and geometric evaluation of IKONOS GEO images and their use for 3D building modeling;Baltsavias,2001
2. Planimetric accuracy of IKONOS 1-m panchromatic image products;Davis,2001
3. IKONOS satellite mapping accuracy;Dial,2000
4. Sub-metre geopositioning with IKONOS GEO imagery;Fraser,2001
5. Geospatial Positioning Accuracy Standards Part 3: National Standard for Spatial Data Accuracy, FGDC-STD-007.3-1998.