@article{UBHD-67912750,
  author={Appenzeller, Immo and Thiering, Ingeborg and Krautter, Joachim and Kneer, Reinhold and Pakull, Manfred W.},
  title={Identification of a complete sample of northern ROSAT all-sky survey X-ray sources},
  subtitle={III. The catalog},
  year={1998},
  pages={319-340},
  language={eng},
  issn={1538-4365},
  volume={117},
  journal={The astrophysical journal},
}
@article{UBHD-67912260,
  author={Krautter, Joachim and Appenzeller, Immo and Thiering, Ingeborg and Pakull, Manfred W.},
  title={Identification of a complete sample of northern ROSAT all-sky survey x-ray sources},
  subtitle={IV. statistical analysis},
  year={1999},
  pages={743-752},
  language={eng},
  issn={1432-0746},
  volume={350},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67912261,
  author={Krautter, Joachim and Appenzeller, Immo and Thiering, Ingeborg and Pakull, Manfred W.},
  title={Identification of a complete sample of northern ROSAT all-sky survey x-ray sources},
  subtitle={IV. statistical analysis},
  year={1999},
  pages={743-752},
  language={eng},
  issn={0004-6361},
  volume={350},
  journal={Astronomy & astrophysics},
}
@article{UBHD-67914174,
  author={Zickgraf, Franz-Josef and Thiering, Ingeborg and Krautter, Joachim and Appenzeller, Immo and Kneer, Reinhold and Pakull, Manfred W. and Heidt, Jochen},
  title={Identification of a complete sample of northern ROSAT All-Sky Survey X-ray sources},
  subtitle={II. the optical observations},
  year={1997},
  pages={103-114},
  language={eng},
  issn={1286-4846},
  volume={123},
  number={1},
  journal={Astronomy & astrophysics},
}
@article{UBHD-67912278,
  author={Zickgraf, Franz-Josef and Krautter, Joachim and Appenzeller, Immo and Pakull, Manfred W.},
  title={Identification of a complete sample of northern ROSAT all-sky survey X-ray sources},
  subtitle={VI. K to M-type stars south of Taurus-Auriga},
  year={1998},
  pages={457-466},
  language={eng},
  issn={1432-0746},
  volume={339},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67912753,
  author={Zickgraf, Franz-Josef and Pakull, Manfred W. and Krautter, Joachim and Appenzeller, Immo and Thiering, Ingeborg},
  title={Identification of a complete sample of northern ROSAT all-sky survey X-ray sources},
  year={1998},
  pages={42},
  language={eng},
  issn={1521-3994},
  volume={319},
  number={1-5},
  journal={Astronomische Nachrichten},
  doi={10.1002/asna.2123190121},
}
@conference{UBHD-67912763,
  author={Zickgraf, Franz-Josef and Krautter, Joachim and Appenzeller, Immo and Pakull, Manfred W.},
  title={Identification of a complete sample of RASS X-ray sources},
  subtitle={K to M type stars south of Taurus-Auriga},
  year={1998},
  pages={16},
  language={eng},
}