Brown, Luke, Fernandes, Richard, Verrelst, Jochem, Morris, Harry, Djamai, Najib, Reyes-Muñoz, Pablo, Kovács, Dávid D., Meier, Courtney, "GROUNDED EO: Data-driven Sentinel-2 LAI and FAPAR retrieval using Gaussian processes trained with extensive fiducial reference measurements", , 2025