@incollection{UBHD-68188641,
  author={L{\"u}ben, Marvin and Akrami, Yashar and Amendola, Luca},
  title={Aller guten Dinge sind drei},
  subtitle={cosmology with three interacting spin-2 fields},
  year={2016},
  language={eng},
  note={Gesehen am 10.11.2017},
  booktitle={De.arxiv.org},
}
@article{UBHD-68188639,
  author={L{\"u}ben, Marvin and Akrami, Yashar and Amendola, Luca},
  title={Cosmology with three interacting spin-2 fields},
  year={2016},
  pages={32 S.},
  language={eng},
  issn={2470-0029},
  volume={94(2016},
  note={Gesehen am 10.11.2017},
  journal={Physical review},
  doi={10.1103/PhysRevD.94.043530},
}