@phdthesis{74486,
  author = {Mike Fisher},
  title = {Optimizing data assimilation for re-analysis},
  year = {2006},
  journal = {ECMWF/Geo Workshop on Atmospheric Reanalyis, 19-22 June 2006},
  pages = {69-72},
  month = {2006},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}