@inproceedings{Bowyer_01,
  title = "Affine intervals in a CSG geometric modeller",
  author = "Adrian Bowyer and Ralph Martin and Huahao Shou and Irina Voiculescu",
  year = "2001",
  booktitle = "Uncertainty in  geometric computations",
  editor = "Joab Winkler and Mareshan Niranjan",
  isbn = "0-7923-7309",
  location = "Sheffield, UK",
  month = "July",
  pages = "1-14",
  publisher = "Kluwer Academic Publishers",
}