@misc{78730,
  keywords = {annual seminar},
  author = {J. Methven},
  title = {Diagnostics of the extratropics},
  year = {2009},
  journal = {ECMWF Annual Seminar 2009},
  month = {2009},
  url = {https://www.ecmwf.int/node/15230},
  language = {eng},
}