ZODROW, Erwin L. Geochemical trends in whole-seam coal channel samples from the Sydney coalfield (upper carboniferous), Nova Scotia, Canada. Atlantic Geoscience, [S. l.], v. 23, n. 3, 1987. DOI: 10.4138/1629. Disponível em: https://journals.lib.unb.ca/index.php/ag/article/view/1629. Acesso em: 27 apr. 2024.