A Research of Net Primary Productivity Model of Grassland Based on MODIS Data in the Loess Plateau of China
WEI Li, ZHAO Jun, PAN Jing-Hu, LI Xia
Remote Sensing Technology and Application . 2009, (5): 660 -664 .  DOI: 10.11873/j.issn.1004-0323.2009.5.660