@article{Duhr:20139U,
  author = "Duhr, Claude",
  title = "{Hexagons, Heptagons and Octogons in N=4SYM}",
  doi = "10.22323/1.151.0027",
  journal = "PoS",
  year = 2013,
  volume = "LL2012",
  pages = "027"
}