@misc{engels2012transport,
  title={Transport in coupled graphene-nanotube quantum devices},
  author={S. Engels and P. Weber and B. Terrés and J. Dauber and C. Meyer and C. Volk and S. Trellenkamp and U. Wichmann and C. Stampfer},
  year={2012},
  eprint={1204.1474},
  archivePrefix={arXiv},
  primaryClass={cond-mat.mes-hall},
  doi={10.1088/0957-4484/24/3/035204},
  url={https://arxiv.org/abs/1204.1474}
}