KIRCHOFF, M. Syracuse University Cartographic Laboratory. Cartographic Perspectives, [S. l.], n. 22, p. 14, 1995. DOI: 10.14714/CP22.846. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp22-kirchoff. Acesso em: 22 jul. 2024.