Turner, David P.; Ritts, William; Cohen, Warren B.; Gower, Stith T.; Zhao, Maosheng; Running, Steve W.; Urbanski, Shawn; Dunn, Ali; Munger, J. W. 2003. Scaling gross primary production (GPP) over boreal and deciduous forest landscapes in support of MODIS GPP product validation. Remote Sensing of Environment. 88: 256-270.