@manual{74772,
  author = {W.A. Heckley},
  title = {The performance and systematic errors of the ECMWF tropical forecasts (1982-1984)},
  year = {1985},
  number = {53},
  pages = {97},
  month = {11/1985},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}