@manual{74603,
  author = {J. Gibson and P.W. Kållberg},
  title = {The ECMWF limited area model},
  year = {1977},
  number = {7},
  pages = {14},
  month = {03/1977},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}