COLHOUN, E. A. On the nature of the glaciations and final deglaciation of the sperrin mountains and adjacent areas in the north of Ireland. Irish Geography, [S. l.], v. 6, n. 2, p. 162–185, 2017. DOI: 10.55650/igj.1970.970. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/970. Acesso em: 5 may. 2026.