Sunspot activity and associated temperature Variations. MAUSAM, [S. l.], v. 21, n. 2, p. 285–290, 1970. DOI: 10.54302/mausam.v21i2.5388. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5388. Acesso em: 29 dec. 2025.