@inproceedings{HWG13Uni,
  title = "Unifying Structured Recursion Schemes",
  author = "Hinze, Ralf and Wu, Nicolas and Gibbons, Jeremy",
  year = "2013",
  address = "New York, NY, USA",
  booktitle = "Proceedings of the 18th ACM SIGPLAN International Conference on Functional Programming",
  editor = "Uustalu, Tarmo",
  location = "Boston, Massachusetts, USA",
  pages = "209--220",
  publisher = "ACM",
  series = "ICFP '13",
  url = "http://www.cs.ox.ac.uk/jeremy.gibbons/publications/urs.pdf",
  doi = "10.1145/2500365.2500578",
}