TY - JOUR PY - 2015  / TI - Earth Observations and Remote Sensing; New Findings from Peking University in Earth Observations and Remote Sensing Provides New Insights (Validating GEOV1 Fractional Vegetation Cover Derived From Coarse-Resolution Remote Sensing Images Over Croplands) JO - Journal of Engineering ID - ref1 ER - TY - JOUR SN - 1945--8711 ID - ref2 ER -