1. 3. Izymov N.M., Linde D.P. Fundamentals of radio engineering. Moskva: Radio i sviaz. 1983. 376 p. (Rus)
2. 5. Suchkov G.M., Petrishchev O.N., Homyak Yu.V. Theory and practice of electromagnetic-acoustic control. Part 3. Kharkiv: Shchedra sadyba plius, 2015. 124 p. (Rus)
3. The effects of film thickness on the reflection echo height of ultrasonic testing.;Maeda;J Jap Soc Nondestructive Inspection,2012
4. A generator of probing pulses for EMA flaw detectors