O’BRIEN, Neal R. Clay Fabric of Very Fissile Paleozoic Gray Shales. Atlantic Geoscience, [S. l.], v. 4, n. 3, 1968. DOI: 10.4138/1771. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/1771. Acesso em: 18 apr. 2024.