TY  - RPRT
TI  - Ultrasonic pulse-echo system design: synchronous E.H.T. generation.
AU  - E R Poore
AU  - P Atkinson
PY  - 1977
DO  - 10.1016/0301-5629(77)90034-5
UR  - https://pubmed.ncbi.nlm.nih.gov/867568/
ID  - 867568
ER  -