HICKSON, Catherine J.; PETERSON, Donald W. Special Symposium Commemorating the 10th Anniversary of the Eruption of Mount St. Helens, May 18, 1980. Geoscience Canada, [S. l.], v. 17, n. 3, 1990. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3663. Acesso em: 4 may. 2024.