@article{BirdCurtis2006:Finding,
  title = "Finding Celebrities: A Lesson in Functional Programming",
  author = "Richard S. Bird and Sharon Curtis",
  year = "2006",
  journal = "Journal of Functional Programming",
  number = "1",
  pages = "13-20",
  volume = "16",
  doi = "10.1017/S0956796805005678",
}