GARDINER, M. J. The national soil survey. Irish Geography, [S. l.], v. 4, n. 6, p. 442–453, 2017. DOI: 10.55650/igj.1963.1062. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/1062. Acesso em: 7 may. 2026.