@misc{indiciae086cea8dd14d,
  title = {Mercury speciation and microbial transformations in mine wastes, stream sediments, and surface waters at the Almaden Mining District, Spain},
  author = {John E. Gray and Mark E. Hines and Pablo L. Higueras and Isaac Adatto and Brenda K. Lasorsa},
  year = {2004},
  doi = {10.1021/es040359d},
  url = {https://pubs.usgs.gov/publication/70026451},
  note = {Source identifier: 70026451}
}