@article{strohmeierESSD21,
  title = "Crowdsourced Air Traffic Data from the OpenSky Network 2019–20",
  author = "Martin Strohmeier and Xavier Olive and Jannis Lübbe and Matthias Schäfer and Vincent Lenders",
  year = "2021",
  booktitle = "Earth System Science Data",
  journal = "Earth System Science Data",
  month = "January",
  url = "https://essd.copernicus.org/articles/13/357/2021/",
  doi = "https://doi.org/10.5194/essd-13-357-2021",
}