@inproceedings{Bird&Gibbons2003:Arithmetic,
  title = "Arithmetic Coding with Folds and Unfolds",
  author = "Richard Bird and Jeremy Gibbons",
  year = "2003",
  booktitle = "Advanced Functional Programming 4",
  editor = "Johan Jeuring and Peyton Jones, Simon",
  note = "Code available at \url{http://www.cs.ox.ac.uk/people/jeremy.gibbons/publications/arith.zip}",
  pages = "1-26",
  publisher = "Springer-Verlag",
  series = "Lecture Notes in Computer Science",
  url = "http://www.cs.ox.ac.uk/people/jeremy.gibbons/publications/arith.pdf",
  volume = "2638",
}