@misc{73496,
  author = {K Arpe},
  title = {Changes in the ECMWF analysis-forecasting scheme and the systematic error of the model},
  year = {1989},
  journal = {ECMWF Technical Memoranda},
  number = {161},
  pages = {42},
  month = {08/1989},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  url = {https://www.ecmwf.int/node/7812},
  doi = {10.21957/6ido3cmc6},
  language = {eng},
}