SWAB, J. J. Review of Patents and Cartographic Inventions: A New Perspective for Map History. Cartographic Perspectives, [S. l.], n. 90, p. 110–112, 2018. DOI: 10.14714/CP90.1464. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp90-patents. Acesso em: 16 apr. 2024.