SEMANS, C. Maps: From Quill to Computer. Cartographic Perspectives, [S. l.], n. 04, p. 19, 1989. DOI: 10.14714/CP04.1145. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp04-semans. Acesso em: 23 jun. 2026.