STASZEWSKI, Wiktor; GUDRA, Tadeusz; OPIELINSKI, Krzysztof J. The Acoustic Field Distribution Inside the Ultrasonic Ring Array. Archives of Acoustics, [S. l.], v. 43, n. 3, p. 455–463, 2018. DOI: 10.24425/123917. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/2310. Acesso em: 26 apr. 2025.