HORNER, A. A. Some Examples of the Representation of Height Data on Irish Maps before 1750, including an early use of the Spot-Height method. Irish Geography, [S. l.], v. 7, n. 1, p. 68–80, 2016. DOI: 10.55650/igj.1974.905. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/905. Acesso em: 2 may. 2024.