Cosmic ray increase associate with a small solar flare. MAUSAM, [S. l.], v. 11, n. 2, p. 169–170, 1960. DOI: 10.54302/mausam.v11i2.4116. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/4116. Acesso em: 29 dec. 2025.