@inproceedings{Wyvill:1987:SRT,
  optpostscript = {},
  optnote = {},
  optorganization = {},
  author = {Geoff Wyvill and Alistair Ward and Tim Brown},
  optkey = {},
  optannote = {},
  optseries = {},
  editor = {Tosiyasu L. Kunii},
  address = {New York},
  localfile = {papers/Wyvill.1987.SRT.pdf},
  optisbn = {},
  publisher = {Springer-Verlag},
  doi = {http://doi.acm.org/10.1145/30320},
  optmonth = {},
  optciteseer = {},
  opturl = {},
  optcrossref = {},
  optwww = {},
  booktitle = {Computer Graphics 1987 (Proceedings of Computer Graphics
               International 1987)},
  optvolume = {},
  optnumber = {},
  title = {{S}ketches by {R}ay {T}racing},
  year = {1987},
  pages = {315--333},
}