MORGAN, Alan. Four Centuries of Geological Travel: The Search for Knowledge on Foot, Bicycle, Sledge and Camel. Geoscience Canada, [S. l.], v. 35, n. 3-4, 2008. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/11274. Acesso em: 28 mar. 2024.