@misc{indiciaeb8dbcf0b7a0c,
  title = {Rapid determination of filterable residue in natural waters},
  author = {Herbert E. Allen and Charles W. Bacon},
  year = {1969},
  doi = {10.1002/j.1551-8833.1969.tb03774.x},
  url = {https://pubs.usgs.gov/publication/1000056},
  note = {Source identifier: 1000056}
}