LOY, W. G. Sample Cartography Lab Statement. Cartographic Perspectives, [S. l.], n. 08, p. 12, 1990. DOI: 10.14714/CP08.1083. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp08-loy. Acesso em: 30 apr. 2026.