NASA - National Aeronautics and Space Administration

Herwitz, S., L. Johnson, S. E. Dunagan, R. Higgins, D. Sullivan, J. Zheng, B. M. Lobitz, J. Leung, B. Gallmeyer, M. Aoyagi, R. Slye, and J. A. Brass (2004), Demonstration of UAV-based imaging for agricultural surveillance and decision support, Computers & Electonics in Agriculture, 44, 49-61.