[1]
R. M. Ferrara, C. Fiorentino, N. Martinelli, P. Garofalo, and G. Rana, “Comparison of Different Ground-Based NDVI Measurement Methodologies to Evaluate Crop Biophysical Properties”, Ital J Agronomy, vol. 5, no. 2, pp. 145–154, Jun. 2010.