LUDMAN, Allan. Revised stratigraphy of the Cookson Group in eastern Maine and southwestern New Brunswick: an alternate view. Atlantic Geoscience, [S. l.], v. 27, n. 1, 1991. DOI: 10.4138/1719. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/1719. Acesso em: 5 may. 2024.