Bianchi, Cesidio, Alessandro Settimi, and Adriano Azzarone. “IONORT: IONOsphere Ray-Tracing. Programma Di Ray-Tracing Nel Magnetoplasma Ionosferico”. Rapporti Tecnici INGV 161 (January 1, 2010). Accessed October 20, 2026. https://collane-editoriali.ingv.it/index.php/rt/article/view/1026.