@misc{indiciae028f7132c656,
  title = {Cobalt-rich ferromanganese crusts from the Central Pacific},
  author = {James R. Hein and Frank T. Manheim and William C. Schwab},
  year = {2013},
  doi = {10.4043/5234-ms},
  url = {https://pubs.usgs.gov/publication/70207338},
  note = {Source identifier: 70207338}
}