BONDARENKO , O. G. DETERMINATION OF THE ACTUAL AREA OF DRY ACOUSTIC CONTACT IN THE SYSTEM “TRANSDUCER–PRODUCT” IN LOW-FREQUENCY DEFECTOSCOPY. METHODS AND DEVICES OF QUALITY CONTROL, [S. l.], n. 2(43), p. 5–15, 2019. DOI: 10.31471/1993-9981-2019-2(43)-5-15. Disponível em: https://mpky.nung.edu.ua/index.php/mpky/article/view/496. Acesso em: 20 apr. 2024.