@Article{jue:07n,
  author = {Z.\ \v{S}\'{\i}r and E. Wings and B. J\"uttler},
  title = {Rounding Spatial {G}-Code Tool Paths using {P}ythagorean Hodograph curves},
  journal = {Trans. of the ASME, J. of Computing \& Information Science in Engineering},
  year = {2007},
  volume = {7},
  pages= {186--191},
}