Kang, Chun-Won, Masumi Hasegawa, and Haradhan Kolya. “Ultrasonic Wave Velocity As a Universal Metric for Defect Detection in Timber Structures: A Case Study on Japanese Cedar Wood (Cryptomeria japonica)”. Sound & Vibration 59, no. 2 (May 29, 2025): 2463. Accessed April 20, 2026. https://ojs.acad-pub.com/index.php/SV/article/view/2463.