@software{voltpeer_marine_copper_4_2026,
  author = {Shuo Guo},
  title = {深海与铜 · 4 色},
  year = {2026},
  url = {https://dazi.gsarrizabalaga.xyz/resource-marine-copper-4.html},
  version = {1.0.0},
  note = {Shuo Guo. Marine and copper · 4 series, v1.0.0. CC-BY-4.0.}
}