DR. IBEH G.F. Estimation Of Tropospheric Refractivity With Artificial Neural Network At Minna, Nigeria. Global Journal of Science Frontier Research, [S. l.], v. 12, n. E1, p. 9–14, 2012. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/555. Acesso em: 8 may. 2024.