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.