Remote Sensing of Mid/Upper Atmosphere using ELF/VLF Waves. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A10, p. 11–21, 2018. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2368. Acesso em: 1 apr. 2026.