TY  - RPRT
TI  - DONAR: a computer processing system to extend ultrasonic pulse-echo testing.
AU  - S Lees
AU  - F B Gerhard
AU  - F E Barber
AU  - S P Cheney
PY  - 1973
DO  - 10.1016/0041-624x(73)90201-1
UR  - https://pubmed.ncbi.nlm.nih.gov/4720644/
ID  - 4720644
ER  -