ECHOLS, Christopher J. Developing standards for interoperability of tactical communications systems. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 18, n. 4, p. 3–5, 2004. DOI: 10.26636/jtit.2004.4.273. Disponível em: https://www.jtit.pl/jtit/article/view/273. Acesso em: 24 aug. 2026.