Machev, Velichko, and Nikolay Tonchev. 2024. “METHODOLOGY AND EXPERIENCE IN APPLYING A NON-DESTRUCTIVE TESTING METHOD BY BARKHAUSEN NOISE ANALYSIS, FOR EXAMPLE, IN ION-TREATED SAMPLES”. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June): 190-93. https://doi.org/10.17770/etr2024vol3.8115.