@manual{76491,
  author = {M. Stendel and K Arpe},
  title = {Evaluation of the Hydrological Cycle in Reanalyses and Observations},
  year = {1999},
  number = {6},
  pages = {62},
  month = {01/1999},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}