@misc{indiciae0f8d6a98e0e7,
  title = {Marine sediment sample preparation for analysis for low concentrations of fine detrital gold},
  author = {H. Edward Clifton and Arthur Hubert and R. Lawrence Phillips},
  year = {1967},
  doi = {10.3133/cir545},
  url = {https://pubs.usgs.gov/publication/cir545},
  note = {Source identifier: cir545}
}