@inproceedings{sal-sto-89-zzbuf,
  author = {David Salesin and Jorge Stolfi},
  title = {The {ZZ}-Buffer: {A} Simple and Efficient Rendering Algorithm with reliable antialiasing},
  booktitle = {Proceedings of the 2nd Annual Conference on Computer Graphics in Paris (PIXIM'89)},
  location = {Paris, France},
  pages = {451--466},
  year = 1989,
  month = sep,
  publisher = {Hermes}
}