STEC, Bronisław. Multifrequency microwave thermograph for biomedical applications. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 15, n. 1, p. 117–122, 2004. DOI: 10.26636/jtit.2004.1.221. Disponível em: https://jtit.pl/jtit/article/view/221. Acesso em: 17 jun. 2026.