@inproceedings{boulos:07:Packet,
  title	= "{ {Packet-based} {Whitted} {and} {Distribution} {Ray} {Tracing}}",
  author = "Solomon Boulos and Dave Edwards and J Dylan Lacewell and Joe Kniss and Jan Kautz and Peter Shirley and Ingo Wald ",
  year = "2007",
  month = "May",
  location = "Montreal, Quebec",
  booktitle = "Proc. Graphics Interface"
}