JENNY, B.; PATTERSON, T. Introducing Plan Oblique Relief. Cartographic Perspectives, [S. l.], n. 57, p. 21–40, 2007. DOI: 10.14714/CP57.279. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp57-jenny-patterson. Acesso em: 18 jan. 2022.