Ferrara, R.M., Fiorentino, C., Martinelli, N., Garofalo, P. and Rana, G. 2010. Comparison of Different Ground-Based NDVI Measurement Methodologies to Evaluate Crop Biophysical Properties. Italian Journal of Agronomy. 5, 2 (Jun. 2010), 145–154. DOI:https://doi.org/10.4081/ija.2010.145.