TY  - RPRT
TI  - Nondestructive testing using air-borne ultrasound.
AU  - David K Hsu
PY  - 2006
DO  - 10.1016/j.ultras.2006.05.091
UR  - https://pubmed.ncbi.nlm.nih.gov/16806380/
ID  - 16806380
ER  -