@misc{78795,
  keywords = {workshop, data assimilation, GLASS, land surface modelling},
  author = {P. Viterbo and I.F. Trigo and Emanuel Dutra and A. Betts and J Garcia-Haro and J.-L. Roujean},
  title = {Land surface observations: Requirements for operational NWP in data assimilation and verification},
  year = {2009},
  month = {2009},
  url = {https://www.ecmwf.int/node/15300},
  language = {eng},
}