Cañasveras Sánchez, J. C., V. Barrón, M. C. del Campillo, and R. A. Viscarra Rossel. 2012. “Reflectance Spectroscopy: A Tool for Predicting Soil Properties Related to the Incidence of Fe Chlorosis”. Spanish Journal of Agricultural Research 10 (4), 1133-42. https://doi.org/10.5424/sjar/2012104-681-11.