KOLLEN, C. University of Arizona Library. Cartographic Perspectives, [S. l.], n. 25, p. 34–35, 1996. DOI: 10.14714/CP25.741. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp25-kollen. Acesso em: 27 apr. 2024.