MAUSAM, E. . Solar and Geomagnetic Data. MAUSAM, [S. l.], v. 3, n. 1, p. 44–48, 1952. DOI: 10.54302/mausam.v3i1.4727. Disponível em: http://103.215.208.102/index.php/MAUSAM/article/view/4727. Acesso em: 6 jul. 2025.