BORZYCKI, Krzysztof. Labeling of signals in optical networks and its applications. Journal of Telecommunications and Information Technology, [S. l.], v. 16, n. 2, p. 73–88, 2004. DOI: 10.26636/jtit.2004.2.237. Disponível em: https://jtit.pl/jtit/article/view/237. Acesso em: 16 apr. 2026.