CRAMPTON, J. An Elusive Reference: The 1:1 Map Story. Cartographic Perspectives, [S. l.], n. 08, p. 26–28, 1990. DOI: 10.14714/CP08.1088. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp08-crampton. Acesso em: 22 feb. 2025.