@article{44651,
  author = {Steven Perakis and Lars Hedin},
  title = {Nitrogen loss from unpolluted South American forests mainly via dissolved organic compounds},
  year = {2002},
  journal = {Nature},
  volume = {415},
  number = {6870},
  pages = {416{\textendash}419},
  url = {http://www.nature.com/nature/journal/v415/n6870/abs/415416a.html},
  language = {eng},
}