@misc{indiciae3f071ef73166,
  title = {The effect of acid rain and altitude on concentration, δ34S, and δ18O of sulfate in the water from Sudety Mountains, Poland},
  author = {Anna Szynkiewicz and Magdalena Modelska and Mariusz Orion Jedrysek and Maria Mastalerz},
  year = {2008},
  doi = {10.1016/j.chemgeo.2007.11.006},
  url = {https://pubs.usgs.gov/publication/70032051},
  note = {Source identifier: 70032051}
}