WOODRUFF, A. Introducing “On the Horizon”. Cartographic Perspectives, [S. l.], n. 68, p. 83–86, 2011. DOI: 10.14714/CP68.10. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp68-woodruff. Acesso em: 4 may. 2024.