TY  - RPRT
TI  - Age determinations and growth rates of Pacific ferromanganese deposits using strontium isotopes
AU  - B.L. Ingram
AU  - J.R. Hein
AU  - G. L. Farmer
PY  - 1990
UR  - https://pubs.usgs.gov/publication/70016197
ID  - 70016197
ER  -