@misc{indiciae4798afb17ed5,
  title = {Gold in minerals and the composition of native gold},
  author = {Robert Sprague Jones and Michael Fleischer},
  year = {1969},
  doi = {10.3133/cir612},
  url = {https://pubs.usgs.gov/publication/cir612},
  note = {Source identifier: cir612}
}