PICKERILL, R. K.; FORBES, W. B. Bifungites of Halli from the Ordovician (Caradocian) Trenton Limestone of the Quebec City Area. Atlantic Geoscience, [S. l.], v. 13, n. 3, 1977. DOI: 10.4138/1936. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/1936. Acesso em: 25 apr. 2024.