TY  - RPRT
TI  - Model-based optimization of ultrasonic transducers.
AU  - Erkki Heikkola
AU  - Mika Laitinen
PY  - 2005
DO  - 10.1016/j.ultsonch.2004.05.009
UR  - https://pubmed.ncbi.nlm.nih.gov/15474952/
ID  - 15474952
ER  -