Miró Amarante, G., S. M. Radicella, B. Nava, and P. Coïsson. “Validation of a Method for Ionospheric Electron Density Reconstruction by Means of Vertical Incidence Data During Quiet and Storm Periods”. Annals of Geophysics, vol. 48, no. 2, Dec. 2005, doi:10.4401/ag-3204.