@phdthesis{73233,
  author = {Various Authors},
  title = {Introduction},
  year = {1984},
  journal = {Seminar on Data Assimilation Systems and Observing System Experiments with Particular Emphasis on FGGE, 3-7 September 1984},
  volume = {I},
  pages = {1-28},
  month = {1984},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}