1. Ermolov, I.N. and Lange, Yu.V., Spravochnik v 8 tomakh, T.3. Ul’trazvukovoi kontrol’ (A Handbook in 8 Volumes. Vol. 3: Ultrasonic Testing, Moscow: Mashonostroenie, NIIIN MNPO Spektr, 2008, pp. 382–457.
2. Artemov, V.E. and Pavros, S.K., Studying the shadow method of ultrasonic nondestructive testing with the registration of the second pass-through pulse, Defektoskopiya, 1981, no. 8, pp. 68–73.
3. Abbakumov, K.E. and Stepanenko, N.V., Modeling of electroacoustic tract in the shadow method of ultrasonic testing with noncontact sensors, Izv. St. Petersburg Electrotech. Univ. “LETI”, 2013, no. 8, pp. 67–72.
4. Murav’eva, O.V., Murav’ev, V.V., Strizhak, V.A., Kokorina, E.N., and Loiferman, M.A., Spring Manufacturing. Real Sensitivity of Bar Workpiece Incoming Acoustic Inspection, V Mire Nerazrushayushchego Kontrolya, 2013, no. 1, pp. 52–60.
5. Murav’eva, O.V., Petrov, K.V., Sokov, M.Yu., and Gabbasova, M.A., The simulation and study of the propagation of the acoustic waves that are radiated by an electromagnetic–acoustic trough-type transducer over the elliptic cross-section of a bar, Russ. J. Nondestr. Test., 2015, vol. 51, no. 7, pp. 400–406.