TY  - RPRT
TI  - Improved continuous wave frequency modulated sonars with aural displays.
AU  - J T Boys
AU  - J L Mason
AU  - R M Hodgson
PY  - 1978
DO  - 10.1016/0041-624x(78)90038-0
UR  - https://pubmed.ncbi.nlm.nih.gov/644683/
ID  - 644683
ER  -