1. 1. Ermolov I.N., Lange Yu.V. Nondestructive testing: handbook. Vol. 3: Ultrasonic testing. Moskva: Mashinostroenie, 2004. 864 p. (Rus)
2. 2. Palmer S.B. S. Dixon. Industrially viable non-contact ultrasound. Insight. 2003. Vol. 45. No 3. Pp. 211-217.
3. 3. Migushchenko R.P., Suchkov G.M., Radev H.K., Petrishchev O.N., Desyatnichenko A.V. Electromagnetic-acoustic transducer for ultrasonic thickness gauging of ferromagnetic metal products without removing the dielectric coating. Tekhnichna Elektrodynamika. 2016. No 2. Pp.78-82. (Rus)
4. 4. Suchkov G.M., Alekseev E.A., Zaharenko V.V. Energy and resource-saving devices and technologies of non-destructive testing. Tekhnicheskaia diagnostika i nerazrushaiushchii kontrol. 2006. No 4. Pp. 29-34. (Rus)
5. 5. Zaytseva L.V. Film heterosystems of capacitors based on polyamide, indium oxides, tin and aluminum. PhD thesis: 01.04.07, Institute of electric physics and radiation technologies NAN of Ukraine. Kharkiv. 2015. 190 p. (Ukr)