1Crook F W.Under-reporting of China's Cultivated Area: Implications for World Agricultural Trade.In China: International Agriculture and Trade Report.Washington, DC: US Department of Agriculture,Economic Research Service (Situation and Outlook Series, RS-9
2Peter B.Reich, David P.Turner, Paul Bolstad.An Approach to Spatially Distributed Modeling of Net Primary Production (NPP) at the Landscape Scale and Its Application in Validation of EOS NPP Products[J].Remote Sensing of Environment,1999,70:69-81.
3Peter H.Verburg,Youqi Chen and Tom(A.) Veldkamp.Spatial explorations of land use change and grain production in China[J].Agriculture Ecosystems Environment, 2000,82: 333-354.