@article{44671,
  author = {Charles Driscoll and Gene Likens and Lars Hedin and John Eaton and Herbert Bormann},
  title = {Changes in the chemistry of surface waters},
  year = {1989},
  journal = {Environmental Science \& Technology},
  volume = {23},
  number = {2},
  pages = {137{\textendash}143},
  url = {http://pubs.acs.org/doi/abs/10.1021/es00179a001},
  language = {eng},
}