TRIPATHI, RAHUL, et al. “Retrieval of Leaf Area Index Using IRS-P6, LISS-III Data and Validation of MODIS LAI Product (MOD15 V5) over Trans Gangetic Plains of India”. The Indian Journal of Agricultural Sciences, vol. 83, no. 4, Apr. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/28833.