Estimating the fractional cover of photosynthetic vegetation, non-photosynthetic vegetation and bare soil from MODIS data: Assessing the applicability of the NDVI-DFI model in the typical Xilingol grasslands. - Guangzhen Wang; Jingpu Wang; Xueyong Zou; Guoqi Chai; Mengquan Wu; Zhoulong Wang (Int. J. Appl. Earth Obs. Geoinformation, 2019)