CRAMPTON, J. Theory Into Practice: A Tribute to Brian Harley. Cartographic Perspectives, [S. l.], n. 12, p. 3, 1992. DOI: 10.14714/CP12.1027. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp12-crampton. Acesso em: 29 apr. 2024.