NÖLLENBURG, Martin; ROMAN, Prutkin; RUTTER, Ignaz. Edge-weighted contact representations of planar graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 17, n. 4, p. 441–473, 2013. DOI: 10.7155/jgaa.00299. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper299. Acesso em: 30 jun. 2024.