Rodrigues FS, Brum CGM, Makita K, Nishino M, de Paula ER, Abdu MA, Nozaki K, Contreira DB, da Silva MR, Schuch NJ. A commercial radio receiver for lower ionosphere monitoring: Initial results. Geofis Int [Internet]. 1 de abril de 2004 [citado 2 de mayo de 2024];43(2):193-8. Disponible en: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/363