1. Experiences in monitoring land ownership in informal settlements using low cost imaging techniques;Barry,1997
2. Geometric and Radiometric Analysis of a CCD-Camera-Based Photogrammetric Close-Range System;Beyer,1992
3. Close range camera calibration;Brown;Photogramm. Eng.,1971
4. Development of an airborne positioning system;Corbett;Photogramm. Rec.,1995
5. Information systems for informal settlements;Crone,1997