High redshift Fermi blazars observed by GROND and Swift

@misc{tavecchio2012highredshiftfermi,
      title={High redshift Fermi blazars observed by GROND and Swift},
      author={F. Tavecchio and J. Greiner and A. Rau and G. Tagliaferri and P. Schady and M. Nardini and L. Foschini and G. Ghirlanda and G. Ghisellini and T. Sbarrato},
      year={2012},
      eprint={1209.2514},
      archivePrefix={arXiv},
      primaryClass={astro-ph.CO},
      url={https://arxiv.org/abs/1209.2514},
}