Burai, Péter, and Ildikó Pechmann. “Usage of Different Spectral Bands in Agricultural Environmental Protection”. Acta Agraria Debreceniensis, no. 13 (May 4, 2004): 123–126. Accessed February 8, 2023. https://ojs.lib.unideb.hu/actaagrar/article/view/3395.