PETERSON, Donald W. Overview of the Effects and Influence of the Activity of Mount St. Helens in the 1980s. Geoscience Canada, [S. l.], v. 17, n. 3, 1990. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3670. Acesso em: 19 apr. 2024.