@incollection{UBHD-68202959,
  author={Arras, Philipp Adam and Grassi, Antonella and Weigand, Timo},
  title={Terminal singularities, milnor numbers, and matter in F-theory},
  year={2016},
  language={eng},
  note={Gesehen am 18.12.2017},
  booktitle={De.arxiv.org},
}
@article{UBHD-68202956,
  author={Arras, Philipp Adam and Grassi, Antonella and Weigand, Timo},
  title={Terminal singularities, Milnor numbers, and matter in F-theory},
  year={2017},
  pages={71-97},
  language={eng},
  volume={123},
  note={Gesehen am 18.12.2017},
  journal={Journal of geometry and physics},
  doi={10.1016/j.geomphys.2017.09.001},
}