@misc{indiciaea650dfed2090,
  title = {Fractionation of fulvic acid by iron and aluminum oxides: influence on copper toxicity to Ceriodaphnia dubia},
  author = {Kathleen S. Smith and James F. Ranville and Emily K. Lesher and Daniel J. Diedrich and Diane M. McKnight and Ruth M. Sofield},
  year = {2014},
  doi = {10.1021/es502243m},
  url = {https://pubs.usgs.gov/publication/70148381},
  note = {Source identifier: 70148381}
}