@article{Arenal:60859,
      author        = "Arenal, R. and March, K. and Ewels, C.P. and Rocquefelte,
                       X. and Kociak, M. and Loiseau, A. and Stéphan, O.",
      title         = "{Atomic configuration of nitrogen-doped single-walled
                       carbon nanotubes}",
      year          = "2014",
}