@incollection{RickerUlke2024,
  author    = {Marcus Ricker and Bernd Ulke},
  title     = {Baustoffe},
  booktitle = {Zahlentafeln f{\"u}r den Baubetrieb},
  editor    = {Thomas Krause and Bernd Ulke and Martin Ferger},
  isbn      = {978-3-658-41329-3 (Print)},
  doi       = {10.1007/978-3-658-41330-9_2},
  year      = {2024},
}