@inproceedings{Sousa:1997:H3H,
  opteditor = {},
  optaddress = {},
  optorganization = {},
  author = {Sousa, Mario Costa and John W. Buchanan},
  optkey = {},
  optannote = {},
  optseries = {},
  optpublisher = {},
  optmonth = {},
  optciteseer = {},
  optdoi = {},
  optcrossref = {},
  optpages = {},
  note = {Extended Abstract},
  booktitle = {Proceedings of SKIGRAPH 1997, Eighth Western Computer Graphics
               Symposium (Whistler, Canada, April 1997)},
  optstatus = {doi},
  optvolume = {},
  optnumber = {},
  optlocalfile = {},
  title = {{H}alf-toning and {3D} {H}atching},
  year = {1997},
}