@article{Papaspirou:2013qK,
  author = "Papaspirou, Panagiotis",
  title = "{Johannes Kepler: his place in Astronomy}",
  doi = "10.22323/1.170.0021",
  journal = "PoS",
  year = 2013,
  volume = "Antikythera & SKA",
  pages = "021"
}