@article{44736,
  author = {Lars Hedin and Gene Likens},
  title = {Atmospheric dust and acid rain},
  year = {1996},
  journal = {Scientific American},
  volume = {275},
  number = {6},
  pages = {88{\textendash}92},
  url = {http://www.nature.com/scientificamerican/journal/v275/n6/pdf/scientificamerican1296-88.pdf;},
  language = {eng},
}