@article{Hein2020nodules,
  author = {Hein and Koschinsky and Kuhn},
  title = {Deep-ocean polymetallic nodules as a resource for critical materials},
  journal = {Nature Reviews Earth & Environment},
  year = {2020},
  doi = {10.1038/s43017-020-0027-0},
  url = {https://doi.org/10.1038/s43017-020-0027-0}
}

@article{Sweetman2024dark,
  author = {Sweetman and Smith and de Jonge and others},
  title = {Evidence of dark oxygen production at the abyssal seafloor},
  journal = {Nature Geoscience},
  year = {2024},
  doi = {10.1038/s41561-024-01480-8},
  url = {https://doi.org/10.1038/s41561-024-01480-8}
}