@article{UBHD-67958979,
  author={Borchmann, Jan Frederick and Mayrhofer, Christoph and Palti, Eran and Weigand, Timo},
  title={Elliptic fibrations for SU(5)×U(1)×U(1) F-theory vacua},
  year={2013},
  language={eng},
  issn={1550-2368 and 1089-4918},
  volume={88(2013},
  note={Gesehen am 21.03.2016},
  journal={Physical review},
  doi={10.1103/PhysRevD.88.046005},
}
@incollection{UBHD-68204420,
  author={Borchmann, Jan Frederick and Mayrhofer, Christoph and Palti, Eran and Weigand, Timo},
  title={Elliptic fibrations for SU(5) x U(1) x U(1) F-theory vacua},
  year={2013},
  language={eng},
  note={Gesehen am 19.12.2017},
  booktitle={De.arxiv.org},
}
@article{UBHD-67958964,
  author={Borchmann, Jan Frederick and Mayrhofer, Christoph and Palti, Eran and Weigand, Timo},
  title={SU(5) tops with multiple U(1)s in F-theory},
  year={2014},
  pages={1-69},
  language={eng},
  issn={1873-1562},
  volume={882},
  note={Gesehen am 21.03.2016},
  journal={Nuclear physics},
  doi={10.1016/j.nuclphysb.2014.02.006},
}
@incollection{UBHD-68204418,
  author={Borchmann, Jan Frederick and Mayrhofer, Christoph and Palti, Eran and Weigand, Timo},
  title={SU(5) tops with multiple U(1)s in F-theory},
  year={2014},
  language={eng},
  note={Gesehen am 19.12.2017},
  booktitle={De.arxiv.org},
}