TY  - RPRT
TI  - Distribution of ferromanganese nodules in the Pacific Ocean.
AU  - D.Z. Piper
AU  - T. R. Swint-Iki
AU  - F.W. McCoy
PY  - 1987
UR  - https://pubs.usgs.gov/publication/70015230
ID  - 70015230
ER  -