Radio refractive index structure over northern India and its synoptic variation. MAUSAM, [S. l.], v. 13, n. 1, p. 57–62, 1962. DOI: 10.54302/mausam.v13i1.4325. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/4325. Acesso em: 22 dec. 2025.