@article{MR1179525,
  title = "Affine extensions of the {P}etersen graph and {$2$}-arc-transitive graphs of girth {$5$}",
  author = "Pasechnik, Dmitrii V.",
  year = "1992",
  issn = "0195-6698",
  journal = "European J. Combin.",
  mrnumber = "MR1179525 (94a:05093)",
  number = "4",
  pages = "279--290",
  volume = "13",
}