VESCOVO, Roberto; PAJEWSKI, Lara. Multiple-ring Circular Array for Ground-Penetrating Radar Applications: Basic Ideas and Preliminary Results. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 69, n. 3, p. 25–29, 2017. DOI: 10.26636/jtit.2017.120217. Disponível em: https://www.jtit.pl/jtit/article/view/671. Acesso em: 13 jun. 2026.