1. Global empirical models of the density peak height and of the equivalent scale height for quiet conditions;Altadill;Advances in Space Research,2012
2. International reference ionosphere 2007: improvements and new parameters;Bilitza;Advances in Space Research,2008
3. A global model for the height of the F2-peak using M3000 values from the CCIR numerical map;Bilitza;Telecommunication Journal,1979
4. Brunini, С., Azpilicueta, F., Gende, M., Camilion, E., Conte, F., Gularte, E., Bibbo, I., 2010. A global ionospheric model based on beacon satellite observations. In: Proceedings of the School and Workshop on the Dynamics and Chemistry of the Upper Atmosphere, October 4–9, San Juan, Argentina
5. Comite Consultatif International des Radiocommunications, Reports 340, 340-2 and later supplements;CCIR,1967