SLATER, G. F. International Year of Planet Earth 6. Biosignatures: Interpreting Evidence of the Origins and Diversity of Life. Geoscience Canada, [S. l.], v. 36, n. 4, 2009. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/12672. Acesso em: 19 may. 2024.