@misc{78695,
  keywords = {workshop, meteorological operational systems},
  author = {S. Schmidt and M. Rohn and D Heizenreder},
  title = {NinJo: System overview and usage for aviation meteorology at DWD},
  year = {2009},
  month = {2009},
  url = {https://www.ecmwf.int/node/15192},
  language = {eng},
}