@incollection{UBHD-69045852,
  author={Hagedorn, Birgit and Lippolt, Hans J.},
  title={Isotopic age constraints for epigenetic mineralizations in the Harz Mountains (Germany) from K-Ar, 40 Ar/ 39 Ar and Rb/Sr data of authigenic K-feldspar},
  year={1993},
  pages={87-102},
  language={eng},
  isbn={3-443-12030-X and 978-3-443-12030-6},
  booktitle={Formation of hydrothermal vein deposits},
  editor={M{\"o}ller, Peter},
}
@incollection{UBHD-69036125,
  author={Lippolt, Hans J. and Hagedorn, Birgit},
  title={Isotopische Alter von Zerr{\"u}ttungszonen als Altersschranken der Freiamt-Sexau-Mineralisation (Mittlerer Schwarzwald)},
  year={1994},
  pages={15 S.},
  language={ger},
  booktitle={Die Erz- und Mineralg{\"a}nge im alten Bergbaurevier "Freiamt-Sexau" (Mittlerer Schwarzwald)},
  keywords={Geologie / Geochemie / Freiamt / Sexau},
}
@article{UBHD-69036145,
  author={Lippolt, Hans J. and Leitz, Markus and Wernicke, Rolf Stephan and Hagedorn, Birgit},
  title={(Uranium + thorium)/helium dating of apatite},
  subtitle={experience with samples from different geochemical environments},
  year={1994},
  pages={179-191},
  language={eng},
  issn={1872-6836},
  volume={112},
  number={1},
  note={Elektronische Reproduktion der Druck-Ausgabe 31. M{\"a}rz 2003 ; Gesehen am 02.02.2023},
  journal={Chemical geology},
  doi={10.1016/0009-2541(94)90113-9},
}