@misc{indiciae43edab355676,
  title = {Separation and identification of the silt-sized heavy-mineral fraction in sediments},
  author = {Judith A. Commeau and Lawrence J. Poppe and R.F. Commeau},
  year = {1992},
  doi = {10.3133/cir1071},
  url = {https://pubs.usgs.gov/publication/cir1071},
  note = {Source identifier: cir1071}
}