TY  - RPRT
TI  - A constant depth ultrasonic scanner.
AU  - V R McCready
AU  - C R Hill
PY  - 1971
DO  - 10.1259/0007-1285-44-526-747
UR  - https://pubmed.ncbi.nlm.nih.gov/5117048/
ID  - 5117048
ER  -