TY - GEN T1 - An ultrasonic measurement of stress in steel without calibration: the angled shear wave identity T2 - arXiv PY - 2020/08/03 AU - Li G-Y AU - Gower AL AU - Destrade M ED - DO - DOI: 10.48550/arxiv.2008.00776 Y2 - 2024/12/22 ER -