@InProceedings{Elliott04:Vertigo,
  author       = {Conal Elliott},
  title        = {Programming Graphics Processors Functionally},
  url          = {http://conal.net/papers/Vertigo/},
  booktitle    = {Proceedings of the 2004 Haskell Workshop},
  publisher    = {ACM Press},
  year         = 2004
}