1. Anonymous. (2015). Indian wheat database. Karnal: Directorate of Wheat Research.
2. Asner, G. P. (1998). Biophysical and biochemical sources of variability in canopy reflectance. Remote Sensing and Environment, 64, 234–253.
3. Babar, M. A., Reynolds, M. P., Van-Ginkel, M., Klatt, A. R., Raun, W. R., & Stone, M. L. (2006). Spectral reflectance indices as a potential indirect selection criterion for Wheat yield under irrigation. Crop Science, 46, 578–588.
4. Bal, S. K., Choudhury, B. U., Sood, A., Saha, S., Mukherjee, J., Singh, H., & Kaur, P. (2013). Relationship between leaf area index of wheat crop and different spectral indices in Punjab. Journal of Agrometeorology, 15(2), 98–102.
5. Bal, S. K., & Hundal, S. S. (1999). Water–use efficiency of chickpea (Cicer arietinum L.) using line-source sprinkler technique. Indian Journal of Agricultural Sciences, 69(10), 733–739.