1. Benkelman, C. A., and Behrendt, R. H.(1992), The airborne data acquisition and registration (ADAR) system 5000: A CCD-based system for high resolution multispectral remote sensing. In Proc. Technical Papers ASPRS/ACSM/RT 92 Symposium, Vol. 4, pp. 386–393.
2. Escobar, D. E., Everitt, J. H., Noriega, J. R., Cavazos, I., and Davis, M. R. (1995), A multispectral digital video/computer system for use as a research tool. In Proc. 15th Biennial Workshop on Videography and Color Photography in Resources Assessment, American Society. of Photogrammetry and Remote Sensing, pp. 23–30, 365.
3. A high resolution multispectral video system;Everitt;Geocarto Int.,1991
4. A three-camera multispectral digital video imaging system;Everitt;Remote Sens. Environ.,1995
5. Fouche, P. S., and Booysen, N. (1994), Low altitude surveillance of agricultural crops using inexpensive remotely piloted aircraft. In Proc. 1st International Airborne Remote Sensing Conference and Exhibition, Vol. 3, pp. 315–326.