Helder, D., Markham, B., Morfitt, R., Storey, J., Barsi, J., Gascon, F, Clerc, S., LaFrance, B., Masek, J., Roy, D.P., Lewis, A., Pahlevan, N., 2018, Observations and recommendations for the calibration of Landsat 8 OLI and Sentinel 2 MSI for improved data interoperability, Remote Sensing, 10(9), 1340.