1. Ultrasonics in nondestructive evaluation;Thompson;Proc IEEE,1985
2. Next generation structural health monitoring and its integration into aircraft design;Boller;Int J Systems Sci,2000
3. Real-time nondestructive evaluation of airframe structures for health monitoring and residual life prediction;Keller,2001
4. Ultrasonic detection of cracks below bolts in aircraft skins;Chiou,1991
5. Ultrasonic imaging of cracks around fastener holes;Sargent;Insight,1997