TY  - RPRT
TI  - Oxidation state of marine manganese nodules
AU  - D.Z. Piper
AU  - J.R. Basler
AU  - J. L. Bischoff
PY  - 1984
DO  - 10.1016/0016-7037(84)90230-8
UR  - https://pubs.usgs.gov/publication/70013959
ID  - 70013959
ER  -