TY  - RPRT
TI  - Phase-locked loop techniques applied to ultrasonic Doppler signal processing.
AU  - A Sainz
AU  - V C Roberts
AU  - G Pinardi
PY  - 1976
DO  - 10.1016/0041-624x(76)90087-1
UR  - https://pubmed.ncbi.nlm.nih.gov/779193/
ID  - 779193
ER  -