National Research Council (U.S.). Committee on Assessing Crop Yield: Site-Specific Farming, I. S. (1997). Precision agriculture in the 21st century: Geospatial and information technologies in crop management. Washington, D.C.: National Academy Press.
Παραπομπή Chicago StyleNational Research Council (U.S.). Committee on Assessing Crop Yield: Site-Specific Farming, Information Systems. Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management. Washington, D.C.: National Academy Press, 1997.
Παραπομπή MLANational Research Council (U.S.). Committee on Assessing Crop Yield: Site-Specific Farming, Information Systems. Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management. Washington, D.C.: National Academy Press, 1997.