VARMA, G. S. Decreasing trends of atmospheric sulphur -Indian and global. MAUSAM, [S. l.], v. 41, n. 3, p. 57–62, 1990. DOI: 10.54302/mausam.v41i3.2730. Disponível em: http://103.215.208.102/index.php/MAUSAM/article/view/2730. Acesso em: 19 sep. 2024.