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Recent observations with air-coupled NDE in the frequency range of 650 kHz to 1.2 MHz
Ultrasonics, 2002exaly
Through-thickness characterization of solids by wideband air-coupled ultrasound
Ultrasonics, 1995D W Schindel, D A Hutchins
exaly
A note on air-coupled surface waves*
Bulletin of the Seismological Society of America, 1951openaire +1 more source
ADVANCES IN AIR-COUPLED ULTRASONIC TRANSDUCERS
Nondestructive Testing and Evaluation, 1995openaire +1 more source

