@phdthesis{74539,
  author = {N. Gagnon and C. Lavaysse and Marco Carrera and other authors},
  title = {Perturbations of surface parameters or how to stumble upon chaos... again},
  year = {2011},
  journal = {Workshop on Representing Model Uncertainty and Error in Numerical Weather and Climate Prediction Models, 20-24 June 2011},
  pages = {357},
  month = {2011},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}