@phdthesis{73256,
  author = {Various Authors},
  title = {Introduction},
  year = {2009},
  journal = {Twelfth Workshop on Meteorological Operational Systems, 2-6 November 2009},
  pages = {11-12},
  month = {2009},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}