DARDIS, G. F. Fossil Ice and Sand Wedges in South-Central Ulster, Northern Ireland. Irish Geography, [S. l.], v. 19, n. 2, p. 51–57, 2016. DOI: 10.55650/igj.1986.711. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/711. Acesso em: 29 apr. 2026.