@inproceedings{ede-muc-88-simsimpl,
  author = {Herbert Edelsbrunner and Ernst P. Mucke},
  title = {Simulation of Simplicity: {A} Technique to Cope with Degenerate Cases in Geometric Algorithms},
  booktitle = {Proceedings of the 4th ACM Symposium on Computational Geometry},
  pages = {118--133},
  year = 1988
}