@inproceedings{LoH06Ope,
  title = "Open data types and open functions",
  author = "L{\"o}h, Andres and Hinze, Ralf",
  year = "2006",
  address = "New York, NY, USA",
  booktitle = "Proceedings of the 8th ACM SIGPLAN Symposium on Principles and Practice of Declarative Programming (PPDP '06)",
  editor = "Maher, Michael",
  isbn = "1-59593-388-3",
  location = "Venice, Italy",
  month = "jul",
  pages = "133-144",
  publisher = "ACM",
  doi = "10.1145/1140335.1140352",
}