TY  - RPRT
TI  - Ultrasonic device localization: an evaluative approach.
AU  - M A Abou El-ghar
AU  - M A Hussein
AU  - A El-halafawy
PY  - 1981
UR  - https://pubmed.ncbi.nlm.nih.gov/12278589/
ID  - 12278589
ER  -