@article{UBHD-68235769,
  author={Eckert, Anke K. and Pritzkow, Hans and Siebert, Walter},
  title={Synthesis and structure of diboraporphyrinogenes},
  year={2002},
  pages={2064-2068},
  language={eng},
  issn={1099-0682},
  number={8},
  note={Online ver{\"o}ffentlicht: 4. Juli 2002 ; Gesehen am 23.03.2018 ; Dedicated to Prof. Dr. Robert Corriu},
  journal={European journal of inorganic chemistry},
  doi={10.1002/1099-0682(200208)2002:8<2064::AID-EJIC2064>3.0.CO;2-4},
}
@article{UBHD-68224578,
  author={Gross, J{\"u}rgen H. and Eckert, Anke K. and Siebert, Walter},
  title={Negative-ion electrospray mass spectra of carbon dioxide-protected N-heterocyclic anions},
  year={2002},
  pages={541-543},
  language={eng},
  issn={1096-9888},
  volume={37},
  number={5},
  note={Gesehen am 27.02.2018},
  journal={Journal of mass spectrometry},
  doi={10.1002/jms.302},
}