CHURCH, Michael. Pyroclasts: RE: NSERC: Criteria of the Earth Sciences Grants Committee,... and its reviewers. Geoscience Canada, [S. l.], v. 14, n. 4, 1987. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3519. Acesso em: 17 aug. 2024.