CRAMPTON, J. Cartography Resources on the World Wide Web. Cartographic Perspectives, [S. l.], n. 22, p. 3–11, 1995. DOI: 10.14714/CP22.780. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp22-crampton. Acesso em: 29 apr. 2024.