1. Javier, G.-M., Jaime, G.-G., and Ernesto, V.-S., Non-destructive techniques based on eddy current testing, IEEE Sens. J., 2011, vol. 11, no. 3, pp. 2525–2565.
2. Rosado, L.S., Gonzalez, J.C., Santos, T.G., Ramos, P.M., and Piedade, M., Geometric optimization of a differential planar eddy currents probe for non-destructive testing, Sens. Actuators, 2013, vol. A197, pp. 96–105.
3. Zhou, H.T., Hou, K., Pan, H.L., Chen, J.J., and Wang, Q.M., Study on the optimization of eddy current testing coil and the defect detection sensitivity, Procedia Eng., 2015, vol. 130, pp. 1649–1657.
4. Bouchala, T., Abdelhadi, B., and Benoudjit, A., Novel coupled electric field method for defect characterization in eddy current nondestructive testing, J. Nondestr. Test. Eval., 2013, vol. 32, no. 3, pp. 1–11.
5. Benhadda, N., Bouchala, T., Guettafi, A., and Abdelhadi, B., Study of the influence of conductive defect characteristics on eddy current differential probe signal, J. Electr. Eng., 2014, vol. 14, no. 3, pp. 1–8.