@article{GeierRaddiFusilloetal.2019,
  author    = {Stephan Geier and Roberto Raddi and Nicola Pietro Gentile Fusillo and T. R. Marsh},
  title     = {The population of hot subdwarf stars studied with Gaia},
  journal   = {Astronomy and astrophysics : an international weekly journal},
  series    = {II. The Gaia DR2 catalogue of hot subluminous stars},
  volume    = {621},
  doi       = {10.1051/0004-6361/201834236},
  year      = {2019},
}