@article{44776,
  author = {Tanguy Daufresne and Lars Hedin},
  title = {Plant coexistence depends on ecosystem nutrient cycles: extension of the resource-ratio theory},
  year = {2005},
  journal = {Proceedings of the National Academy of Sciences of the United States of America},
  volume = {102},
  number = {26},
  pages = {9212{\textendash}9217},
  url = {http://www.pnas.org/content/102/26/9212.short},
  language = {eng},
}