HELMSTAEDT, H.; TELLA, S. Pre-Carboniferous Structural History of S.E. Cape Breton Island, Nova Scotia. Atlantic Geology, [S. l.], v. 9, n. 3, 1973. DOI: 10.4138/1438. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/1438. Acesso em: 27 oct. 2021.