8Suhan Kocaman. GPS and INS Integration with Kalman Filtering for Direct Georeferencing of Airborne Imagery [ D ]. ETH H~nggerberg, Zurich Institute of Geodesy and Photogrammetry, 2003 : 3-d.
9Helge Wegmann, Christian Heipke, Karsten Jacobsen, Ingenieurbtiro Wegmann. Direct sensor orientation based on GPS network solutions [ Z ]. Leo-Rosenblatt-Weg 6, 30453 Hannover, Germany.
