@book{UBHD-66223211,
  author={Wolkenstein, Klaus},
  title={Phenanthroperylenchinon-Pigmente in fossilen Crinoiden},
  subtitle={Charakterisierung, Vorkommen und Diagenese},
  year={2005},
  pages={Online-Ressource (113 Seiten)},
  language={ger},
  school={Heidelberg, Univ., Diss., 2005},
  doi={10.11588/heidok.00006158},
  keywords={Fossile Stachelh{\"a}uter / Chinone / Diagenese},
  url={http://archiv.ub.uni-heidelberg.de/volltextserver/volltexte/2006/6158},
  library={UB},
}
@book{UBHD-66091717,
  author={Wolkenstein, Klaus},
  title={Phenanthroperylenchinon-Pigmente in fossilen Crinoiden},
  subtitle={Charakterisierung, Vorkommen und Diagenese},
  year={2005},
  pages={97 S.},
  language={ger},
  note={Zsfassung in engl. Sprache},
  school={Heidelberg, Univ., Diss., 2005},
  keywords={Fossile Haarsterne / Organische Geochemie / Pigment / Chinone / Diagenese ; Fossile Haarsterne / Organische Geochemie / Pigment / Chinone / Diagenese},
  library={UB [Signatur: 2006 U 242]},
}
@article{UBHD-68221135,
  author={Wolkenstein, Klaus and Gross, J{\"u}rgen H. and Falk, Heinz and Sch{\"o}ler, Heinz Friedrich},
  title={Preservation of hypericin and related polycyclic quinone pigments in fossil crinoids},
  year={2005},
  pages={451-456},
  language={eng},
  issn={1471-2954},
  volume={273},
  note={Gesehen am 16.02.2018},
  journal={Proceedings of the Royal Society of London},
  doi={10.1098/rspb.2005.3358},
}
@article{UBHD-67686891,
  author={Wolkenstein, Klaus and Gross, J{\"u}rgen H. and Sch{\"o}ler, Heinz Friedrich},
  title={Preservaton of hypericin and related polycyclic quinone pigments in fossil crinois},
  year={2006},
  pages={451-456},
  language={eng},
  issn={0080-4649},
  volume={273},
  journal={Proceedings of the Royal Society of London},
}
@article{UBHD-68224581,
  author={Wolkenstein, Klaus and Gross, J{\"u}rgen H. and Oeser, Thomas and Sch{\"o}ler, Heinz Friedrich},
  title={Spectroscopic characterization and crystal structure of the 1,2,3,4,5,6-hexahydrophenanthro[1,10,9,8-opqra]perylene},
  year={2002},
  pages={1653-1655},
  language={eng},
  issn={1873-3581},
  volume={43},
  number={9},
  note={Gesehen am 27.02.2018},
  journal={Tetrahedron letters},
  doi={10.1016/S0040-4039(02)00085-0},
}