TY  - RPRT
TI  - Recent underwater surveys using low-frequency sound to locate shallow bedrock
AU  - W. O. Smith
PY  - 1958
DO  - 10.1130/0016-7606(1958)69[69:rusuls]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70212095
ID  - 70212095
ER  -