@mastersthesis{81031,
  author = {ECMWF},
  title = {Computer Newsletter No. 4 - November 1977},
  year = {1977},
  journal = {ECMWF Computer Newsletter},
  month = {11/1977},
  url = {https://www.ecmwf.int/node/19012},
  language = {eng},
}