CITRYNELL, H. . Analytical methods for calculating precipitating relativistic electron effects in the D region. MAUSAM, [S. l.], v. 25, n. 1, p. 33–38, 1974. DOI: 10.54302/mausam.v25i1.5184. Disponível em: http://103.215.208.102/index.php/MAUSAM/article/view/5184. Acesso em: 19 sep. 2024.