@article{Bird*97:More,
  title = "More Haste, Less Speed: Lazy Versus Eager Evaluation",
  author = "Richard S. Bird and Geraint Jones and Oege de Moor",
  year = "1997",
  journal = "Journal of Functional Programming",
  number = "5",
  pages = "541--547",
  url = "http://www.cs.ox.ac.uk/people/richard.bird/online/BirdJonesDeMoor1997More.pdf",
  volume = "7",
  doi = "10.1017/S0956796897002827",
}