@misc{indiciae5ca015381937,
  title = {Some industrial mineral deposit models : descriptive deposit models},
  author = {James D. Bliss},
  year = {1991},
  doi = {10.3133/ofr9111a},
  url = {https://pubs.usgs.gov/publication/ofr9111A},
  note = {Source identifier: ofr9111A}
}