SECOMSKI, Wojciech; NOWICKI, Andrzej; WÓJCIK, Janusz; LEWANDOWSKI, Marcin; WALCZAK, Mateusz; TYMKIEWICZ, Ryszard. Annular Array Transducer and Matched Amplifier for Therapeutic Ultrasound. Archives of Acoustics, [S. l.], v. 35, n. 4, p. 653–660, 2013. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/220. Acesso em: 26 apr. 2025.