Bayesian statistical ionospheric tomography improved by incorporating ionosonde measurementsNorberg, Johannes; Virtanen, Ilkka I.; Roininen, Lassi; Vierinen, Juha; Orispää, Mikko; Kauristie, Kirsti; Lehtinen, Markku S.Atmospheric measurement techniques2016 / p. 1859-1869 : ill http://dx.doi.org/10.5194/amt-9-1859-2016

Ionosonde measurements in Bayesian statistical ionospheric tomography with incoherent scatter radar validationNorberg, Johannes; Virtanen, Ilkka I.; Roininen, LassiAtmospheric measurement techniques discussions2015 / p. 9823-9851 : ill

Sodankylä ionospheric tomography dataset 2003-2014Norberg, Johannes; Roininen, Lassi; Kero, A.Geoscientific instrumentation, methods and data systems. Discussions2015 / p. 385-404 : ill