J. Blyverket, Hamer, P., Bertino, L., Albergel, C., Fairbairn, D., and Lahoz, W.,
“An Evaluation of the EnKF vs. EnOI and the Assimilation of SMAP, SMOS and ESA CCI Soil Moisture Data over the Contiguous US”,
Remote Sensing, vol. 11, no. 5, p. 478, 2019.