Gaussian Markov Random Field Priors in Ionospheric 3-D Multi-Instrument Tomography.
Johannes NorbergJuha P. VierinenLassi RoininenMikko OrispääKirsti KauristieWilliam C. RideoutAnthea J. CosterMarkku S. LehtinenPublished in: IEEE Trans. Geosci. Remote. Sens. (2018)