@misc{indiciae5c7920a7e48a,
  title = {Manganese complexes with bi-carbonate and sulfate in natural water},
  author = {J.D. Hem},
  year = {2002},
  doi = {10.1021/je60016a029},
  url = {https://pubs.usgs.gov/publication/70010788},
  note = {Source identifier: 70010788}
}