KLEMM, Maciej; TROESTER, Gerhard. Characterization of an aperture-stacked patch antenna for ultra-wideband wearable radio systems. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 20, n. 2, p. 39–44, 2005. DOI: 10.26636/jtit.2005.2.309. Disponível em: https://www.jtit.pl/jtit/article/view/309. Acesso em: 15 jun. 2026.