@InProceedings{jue:02d,
  author = 	 {K.-A. Sun and B. J\"uttler and M.-S. Kim and W. Wang},
  title = 	 {Computing the distance between two surfaces via line geometry},
  booktitle = 	 {Proceedings of the Tenth Pacific Conference on Computer Graphics and Applications},
  pages =	 {236--245},
  year =	 {2002},
  address =	 {Los Alamitos},
  publisher =	 {IEEE Press}
}