TY  - RPRT
TI  - A diver operated reverse corer to collect samples of unconsolidated coarse sand
AU  - Roberto J. Anima
PY  - 1981
DO  - 10.1306/212f7d1f-2b24-11d7-8648000102c1865d
UR  - https://pubs.usgs.gov/publication/70188664
ID  - 70188664
ER  -