@article{Chachamis:2007jY,
  author = "Chachamis, Grigorios",
  title = "{NLO Photon Impact Factor: Present Status and Outlook}",
  doi = "10.22323/1.035.0026",
  journal = "PoS",
  year = 2007,
  volume = "DIFF2006",
  pages = "026"
}