@misc{76559,
  author = {H. Sävijärvi},
  title = {Winter and summer circulation statistics based on ECMWF operational analyses andforecasts},
  year = {1981},
  journal = {ECMWF Technical Memoranda},
  number = {38},
  pages = {16},
  month = {07/1981},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  url = {https://www.ecmwf.int/node/12509},
  doi = {10.21957/z87n3wrlw},
  language = {eng},
}