@article{CramerBondeauSchaphoffetal.2004,
  author    = {Wolfgang Cramer and Alberte Bondeau and Sibyll Schaphoff and Wolfgang Lucht and Benjamin Smith and Stephan Sitch},
  title     = {Tropical forests and the global carbon cycle : impacts of atmospheric carbon dioxide, climate change and rate of deforestation},
  year      = {2004},
}