@misc{indiciae24d87649a8fc,
  title = {Backflushing Filters for Field Processing of Water Samples Prior to Trace-Element Analyses},
  author = {V. C. Kennedy and E. A. Jenne and J.M. Burchard},
  year = {1976},
  doi = {10.3133/wri76126},
  url = {https://pubs.usgs.gov/publication/wri76126},
  note = {Source identifier: wri76126}
}