@article{44791,
  author = {Alexander Barron and Drew Purves and Lars Hedin},
  title = {Facultative nitrogen fixation by canopy legumes in a lowland tropical forest},
  year = {2011},
  journal = {Oecologia},
  volume = {165},
  number = {2},
  pages = {511{\textendash}520},
  url = {http://link.springer.com/article/10.1007/s00442-010-1838-3},
  language = {eng},
}