Егоров, А.В., В.В. Поляков, Я.И. Грачева, and С.В. Кучерявский. “Application of Principal Component Analysis for Eddy Current Testing of Metal Materials With Applied Dielectric Layers”. Izvestiya of Altai State University0, no. 4(96) (1). Accessed December 15, 2025. https://izvestiya.asu.ru/article/view/%282017%294-05.