ЛЮТАК, І. З.; КІСІЛЬ, І. С. Method of selective excitation of fashions of ultrasonic circular waves. METHODS AND DEVICES OF QUALITY CONTROL, [S. l.], n. 2(21), p. 36–42, 2008. Disponível em: https://mpky.nung.edu.ua/index.php/mpky/article/view/140. Acesso em: 16 may. 2024.