@misc{indiciae5bbcbc50acdc,
  title = {Evaluating the behavior of gadolinium and other rare earth elements through large metropolitan sewage treatment plants},
  author = {Philip L. Verplanck and Edward T. Furlong and James L. Gray and Patrick J. Phillips and Ruth E. Wolf and Kathleen Esposito},
  year = {2010},
  doi = {10.1021/es903888t},
  url = {https://pubs.usgs.gov/publication/70200011},
  note = {Source identifier: 70200011}
}