@InCollection{jue:05e,
  author = 	 {M. Aigner and B. J\"uttler},
  title = 	 {Robust Computation of Foot Points on Implicitly Defined Curves},
  booktitle = 	 {Mathematical Methods for Curves and Surfaces: Troms\o{} 2004},
  pages =	 {1--10},
  publisher =	 {Nashboro Press},
  year =	 {2005},
  editor =	 {M.\ D\ae{}hlen and K.\ M\o{}rken and L.\ Schumaker},
  address =	 {Brentwood}
}