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Prince, S.D., D.L. Zheng, F.G. Hall, G.J. Collatz, B.W. Meeson, S.O. Los, E. Brown de Colstoun, and D.R. Landis. “ISLSCP II Global Primary Production Data Initiative Gridded NPP Data.” ORNL Distributed Active Archive Center, January 1, 2011. doi:10.3334/ORNLDAAC/1023. Date Accessed: 2026-05-06
Prince, S. D., et al. ISLSCP II Global Primary Production Data Initiative Gridded NPP Data. 1, ORNL Distributed Active Archive Center, 1 Jan. 2011, doi:10.3334/ORNLDAAC/1023. Date Accessed: 2026-05-06