GIBLING, Martin R.; CALDER, John H. King Coal and Prince Peat: A Carboniferous Dynasty. Geoscience Canada, [S. l.], v. 20, n. 1, 1993. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3786. Acesso em: 7 may. 2024.