1. 1. G. Vosselman, "Cartographic Feature Extraction."Institute for Photogram metrie and Landesver messungsamt NRW Bonn, Germany, 1-10. Accessed 10/9/2006, 1998.
   2. Gruen, and H. Li, "Road extraction from aerial and satellite images by dynamic programming", ISPRS Journal of Photogrammetry and Remote Sensing, 50(4), 11-20, 1995.
   3. Tao, M. A. Chapman, and f. Masters, "Semiautomatic object pointing using multiimage matching for mobile mapping", ACSM/ASPRS Annual convention, 265- 274,December 2000
   4. S. Noronha and R. Nevatia “Detection and modelling of buildings from multiple aerial images”, IEEE Transactions on pattern analysis and machine intelligence, vol.23, no.5,2001
   5. M. Fradkin, H. Maitre and M. Roux “Building detection from multiple aerial images in dense urban areas", Computer vision and image understanding, Vol 82, 2001. 
   6. M. Cord, M. Jordan and J. Cocquerez “Accurate building structure recovery from high resolution aerial imagery", Computer vision and image understanding, Vol 82, 2001.
   7. Fraser, C. S., Baltsavias, E., and Gruen, "A. Processing of IKONOS imagery for sub metre 3D positioning and building extraction" , ISPRS Journal of Photogrammetry and Remote Sensing, 56(3), 177-194, 2002.
   8. T.Guo and Y. Yasuoka, “Snake-based approach for building extraction from high-resolution satellite images and height data in urban areas”, Proceedings of 23rdAsian Conference on Remote Sensing, 2002.