@inproceedings{Kobbelt1995Approximating,
  Author = {Leif Kobbelt and Hartmut Prautzsch},
  Title = {Approximating the arclength of B curves},
  Booktitle = {Mathematical Methods for Curves and Surfaces},
  Year = {1995},
  Editor = {T. Lyche and L. L. Schumaker},
  Publisher = {Academic Press},
  Pages = {291--292}
}