RYAN, Bruce. The Lewisian: Britain’s Oldest Rocks . Geoscience Canada, [S. l.], v. 50, n. 1, p. 9–15, 2023. DOI: 10.12789/geocanj.2023.50.195. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/33369. Acesso em: 19 apr. 2024.