@incollection{mara17a,
  author={Mara, Hubert},
  title={Tontafeln in Vektorr{\"a}umen},
  subtitle={Algorithmen f{\"u}r Schrift in 3D},
  year={2017},
  pages={186-189},
  language={ger},
  isbn={3-88423-565-6 and 978-3-88423-565-2},
  booktitle={5300 Jahre Schrift},
  editor={B{\"o}ttner, Michaela and Lieb, Ludger and Vater, Christian and Witschel, Christian},
}