PRAMANIK, S. K. .; NARAYANAN, S. Y. . Diurnal Magnetic variation in Equatorial Regions. MAUSAM, [S. l.], v. 3, n. 3, p. 212–216, 1952. DOI: 10.54302/mausam.v3i3.4753. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/4753. Acesso em: 12 feb. 2025.