Evaluation of the IRI-2007 model options for the topside electron density
International Reference Ionosphere 2007: Improvements and new parameters
Variability of foF2 in the equatorial ionosphere
Online data base of satellite sounder and insitu measurements covering two solar cycles
A correction for the IRI topside electron density model based on Alouette-ISIS topside sounder data
International reference ionosphere 2000: Examples of improvements and new features
IRI related data and model services at NSSDC