LI, Haoran; HU, Yan; LI, Laibo; XU, Dongyu. Acoustic Matching Characteristics of Annular Piezoelectric Ultrasonic Sensor. Archives of Acoustics, [S. l.], v. 47, n. 2, p. 275–284, 2022. DOI: 10.24425/aoa.2022.141656. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3443. Acesso em: 25 apr. 2025.