BOCKENHAUER, M. H. Culture of the Wisconsin Official State Highway Map. Cartographic Perspectives, [S. l.], n. 18, p. 3–16, 1994. DOI: 10.14714/CP18.929. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp18-bockenhauer. Acesso em: 31 aug. 2024.