%0 Journal Article %T Copernicus Sentinel-2 Calibration and Validation %A Peter Strobl %A Zoltan Szantoi %J European Journal of Remote Sensing %D 2019 %R https://doi.org/10.1080/22797254.2019.1582840 %U https://www.tandfonline.com/doi/full/10.1080/22797254.2019.1582840