DREW, D. A database of caves in Ireland. Irish Geography, [S. l.], v. 39, n. 2, p. 159–168, 2014. DOI: 10.55650/igj.2006.159. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/159. Acesso em: 21 jul. 2024.