@InProceedings{SCI:Han88c,
  author =    "C.D. Hansen and N. Ayache and Francis Lustman",
  title =     "Efficient Depth Estimation using Trinocular
              Stereo",
  booktitle = "{SPIE} Conference on Intelligent Robots",
  year =      "1988",
  month =     "November",
  location =  "Cambridge, Massachusetts",
  note =      "Refereed abstract.",
}