NASA - National Aeronautics and Space Administration

Yang, F., K. Ichii, M. A. White, H. Hashimoto, A. Michaelis, P. Votava, A. X. Zhu, A. Huete, S. W. Running, and R. Nemani (2007), Developing a continental-scale measure of gross primary production by combining MODIS and AmeriFlux data through Support Vector Machine approach, Remote Sensing of Environment, 110, 109-122.