@misc{76823,
  author = {Frédéric Vitart},
  title = {Monthly forecasting system.},
  year = {2003},
  journal = {ECMWF Technical Memoranda},
  number = {424},
  pages = {70},
  month = {10/2003},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  url = {https://www.ecmwf.int/node/12927},
  doi = {10.21957/idipp7l0x},
  language = {eng},
}