@misc{indiciae03b5959afd09,
  title = {Copper Deposits in Sedimentary and Volcanogenic Rocks},
  author = {Elizabeth B. Tourtelot and James David Vine},
  year = {1976},
  doi = {10.3133/pp907c},
  url = {https://pubs.usgs.gov/publication/pp907C},
  note = {Source identifier: pp907C}
}