KAUFMANN, Michael. Guest Editor’s Foreword. Journal of Graph Algorithms and Applications, [S. l.], v. 6, n. 3, p. 177–178, 2002. DOI: 10.7155/jgaa.00050. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper50. Acesso em: 24 dec. 2024.