@misc{b2016a,
  title = {Size quantization of Dirac fermions in graphene constrictions},
  author = {B. Terrés, L. A. Chizhova, F. Libisch, J. Peiro, D. Jörger, S. Engels, A. Girschik, K. Watanabe, T. Taniguchi, S. V. Rotkin, J. Burgdörfer, C. Stampfer},
  publisher = {Springer Science and Business Media LLC},
  year = {2016-05-20},
  keywords = {Quantum point contact, graphene, ballistic transport}
}