RADER, C. Pictorial Maps. Cartographic Perspectives, [S. l.], n. 14, p. 20–21, 1993. DOI: 10.14714/CP14.987. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp14-rader. Acesso em: 5 may. 2026.