@misc{indiciae599b234ebe37,
  title = {Copper, cadmium, and zinc concentrations in aquatic food chains from the Upper Sacramento River (California) and selected tributaries},
  author = {M. K. Saiki and D. T. Castleberry and T. W. May and B.A. Martin and F. N. Bullard},
  year = {1995},
  doi = {10.1007/bf00208378},
  url = {https://pubs.usgs.gov/publication/70176138},
  note = {Source identifier: 70176138}
}