TY - CONF T1 - Analysis of instantaneous characteristics of guided ultrasonic waves in metallic structures with aluminium repair patches JO - Proceedings of SPIE the International Society for Optical Engineering PY - 2011/03/29 AU - Pavlopoulou S AU - Staszewski WJ AU - Soutis C AU - Manson G ED - DO - DOI: 10.1117/12.886187 VL - 7984 Y2 - 2025/11/23 ER -