HUFFMAN, D. P. On Waterlines: Arguments for their Employment, Advice on their Generation. Cartographic Perspectives, [S. l.], n. 66, p. 23–30, 2010. DOI: 10.14714/CP66.94. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp66-huffman. Acesso em: 12 may. 2024.