@misc{indiciaef6039670dd68,
  title = {Magmatic ore deposits in layered intrusions - Descriptive model for reef-type PGE and contact-type Cu-Ni-PGE deposits},
  author = {Michael L. Zientek},
  year = {2012},
  doi = {10.3133/ofr20121010},
  url = {https://pubs.usgs.gov/publication/ofr20121010},
  note = {Source identifier: ofr20121010}
}