@manual{S-1981,
  author = {H. S{\"a}vij{\"a}rvi},
  title = {The energy budgets in North America, North Atlantic and Europe based on ECMWF analysis and forecasts},
  year = {1981},
  number = {27},
  pages = {35},
  month = {11/1981},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}