Brown, LA, Meier, C, Morris, H, Pastor-Guzman, J, Bai, G, Lerebourg, C, Gobron, N, Lanconelli, C, Clerici, M, Dash, J, "Evaluation of global leaf area index and fraction of absorbed photosynthetically active radiation products over North America using copernicus ground based observations for validation data", Remote Sensing of Environment, 2020