[1]
D. T. Kien, P. T. T. Nhung and P. V. Thanh, Non-destructive Characteristics of Ultrasonic Waves in 1018 Low Carbon Steel, Comm. Phys. 24 (2014) 1–6. DOI: https://doi.org/10.15625/0868-3166/24/3S1/5070.