@misc{31758,
  author       = {{Schöppner, Volker and Martens, Jan Hendrik}},
  booktitle    = {{Kunststoffe}},
  issn         = {{0023- 5563}},
  pages        = {{91--93}},
  title        = {{{Eine runde Sache}}},
  year         = {{2021}},
}