@article{UBHD-68221798,
  author={Hog, Erik and Bastian, Ulrich and Schwekendiek, Peter},
  title={Construction and verification of the Tycho-2 catalogue},
  year={2000},
  pages={367-386},
  language={eng},
  issn={1432-0746},
  volume={357},
  number={1},
  note={Gesehen am 20.02.2020},
  journal={Astronomy and astrophysics},
}
@incollection{UBHD-68221111,
  author={Hog, Erik and Bastian, Ulrich and Schwekendiek, Peter},
  title={Progress on the Tycho-2 catalogue from the Hipparcos mission},
  year={1999},
  pages={43},
  language={eng},
  isbn={3-7001-2774-X and 978-3-7001-2774-1},
  booktitle={Modern astrometry and astrodynamics},
  editor={Dvorak, Rudolf},
}
@article{UBHD-68221794,
  author={Hog, Erik and Bastian, Ulrich and Schwekendiek, Peter},
  title={The Tycho-2 catalogue of the 2.5 million brightest stars},
  year={2000},
  pages={L27–L30},
  language={eng},
  issn={1432-0746},
  volume={355},
  number={2},
  note={Gesehen am 19.02.2018},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67887704,
  author={Krautter, Joachim and Birkle, Kurt and Demleitner, Markus and Germeroth, André and Mandel, Holger and Schwekendiek, Peter and Siegwald, Lukas and Stahl, Otmar},
  title={Digitizing astronomical plates of the Heidelberg K{\"o}nigstuhl archives},
  year={2007},
  pages={697},
  language={eng},
  issn={0004-6337},
  volume={328},
  number={7},
  journal={Astronomical notes},
}
@article{UBHD-67509103,
  author={Schwekendiek, Peter and Wielen, Roland},
  title={Auswirkungen eines Wechselwirkungsterms f{\"u}r inelastische Begegnungen auf die Bildung und Entwicklung von Galaxienhaufen unter besonderer Ber{\"u}cksichtigung der Mergerbildung},
  year={1984},
  pages={152},
  language={eng},
  issn={0172-5483 and 0374-1958},
  volume={62},
  journal={Mitteilungen der Astronomischen Gesellschaft},
}
@article{UBHD-67502871,
  author={Schwekendiek, Peter and Wielen, Roland},
  title={The effect of tidal braking between galaxies on the formation and evolution of clusters of galaxies},
  year={1989},
  pages={123},
  language={eng},
  volume={3},
  note={Gesehen am 26.11.2013},
  journal={Abstract series},
}
@incollection{UBHD-67502856,
  author={Schwekendiek, Peter and Wielen, Roland},
  title={The effect of tidal braking between galaxies on the formation and evolution of clusters of galaxies},
  year={1990},
  pages={435-437},
  language={eng},
  isbn={3-540-51941-6 and 0-387-51941-6 and 978-3-540-51941-6 and 978-0-387-51941-8},
  booktitle={Dynamics and interactions of galaxies},
  editor={Wielen, Roland},
}
@article{UBHD-67507401,
  author={Schwekendiek, Peter and Wielen, Roland},
  title={Der Effekt der Gezeitenreibung zwischen Galaxien im expandierenden Universum},
  year={1986},
  pages={388},
  language={eng},
  volume={67},
  journal={Mitteilungen der Astronomischen Gesellschaft},
}
@article{UBHD-67602889,
  author={Spurzem, Rainer and Berczik, Peter and Berentzen, Ingo and Br{\"u}semeister, Thomas and Schwekendiek, Peter and Steinacker, J{\"u}rgen and Wambsganß, Joachim},
  title={From Newton to Einstein N-body dynamics in galactic nuclei and SPH using new special hardware and astrogrid-D},
  year={2007},
  pages={012071},
  language={eng},
  issn={1742-6596},
  volume={78},
  number={1},
  note={Gesehen am 27.06.2014},
  journal={Journal of physics},
  doi={10.1088/1742-6596/78/1/012071},
}
@article{UBHD-67509113,
  author={Wielen, Roland and Goeres, Achim and Schwekendiek, Peter},
  title={Ableitung eines Wechselwirkungsterms f{\"u}r inelastische Begegnungen zwischen Galaxien in Haufen},
  year={1982},
  pages={192},
  language={eng},
  volume={55},
  note={Gesehen am 09.12.2013},
  journal={Mitteilungen der Astronomischen Gesellschaft},
}
@article{UBHD-67509109,
  author={Wielen, Roland and Schwekendiek, Peter and Goeres, Achim},
  title={Bildung und Entwicklung von Galaxienhaufen unter Ber{\"u}cksichtigung inelastischer Begegnungen von Galaxien},
  year={1983},
  pages={98},
  language={eng},
  volume={58},
  note={Gesehen am 09.12.2013},
  journal={Mitteilungen der Astronomischen Gesellschaft},
}