TY  - RPRT
TI  - Ultrasonic scattering theory. I: Scattering by single objects.
AU  - S O Aks
AU  - D J Vezzetti
PY  - 1980
DO  - 10.1177/016173468000200201
UR  - https://pubmed.ncbi.nlm.nih.gov/6992387/
ID  - 6992387
ER  -