@phdthesis{73313,
  author = {Various Authors},
  title = {Working Groups},
  year = {1997},
  journal = {Sixth Workshop on Meteorological Operational Systems, 17-21 November 1997},
  month = {1997},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}