@InProceedings{jue:04c,
  author = 	 {B.\ J\"uttler and J.\ Schicho and M.\ Shalaby},
  title = 	 {${C}^1$ Spline implicitization of planar curves},
  booktitle = 	 {Automated deduction in geometry},
  year =	 {2004},
  editor =	 {F. Winkler},
  series =	 {Lecture Notes in Artificial Intelligence},
  address =	 {Heidelberg},
  publisher =	 {Springer},
  pages={161--177}
}