Reference
Janapati V., Kopsaftopoulos F.P., Roy S., Mueller I., Lee S.-J., Ladpli P., Chang F.-K., "Sensor network configuration e↵ect on detection sensitivity of an acousto-ultrasound-based active SHM system
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Proceedings of the 9th International Workshop on Structural Health Monitoring (IWSHM), Stanford University, USA, September 2013.