@incollection{WeberRitter2017,
  author    = {Weber, Ricarda and Ritter, Guido},
  title     = {3D-Druck von Lebensmitteln. Betrachtung des Status Quo und Diskussion von Zukunftsaussichten},
  series = {Leupold / Glossner 3D Printing},
  booktitle = {Leupold / Glossner 3D Printing},
  edition   = {1. Auflage},
  publisher = {C.H. BECK},
  isbn      = {978-3-406-70751-3},
  pages     = {709 -- 752},
  year      = {2017},
  language  = {de}
}
@article{StrotmannFriedrichKreyenschmidtetal.2017,
  author    = {Strotmann, Christina and Friedrich, Silke and Kreyenschmidt, Judith and Teitscheid, Petra and Ritter, Guido},
  title     = {Comparing Food Provided and Wasted before and after Implementing Measures against Food Waste in Three Healthcare Food Service Facilities},
  series = {Sustainability},
  volume    = {2017},
  journal   = {Sustainability},
  number    = {9(8)},
  doi       = {https://doi.org/10.3390/su9081409},
  pages     = {1409},
  year      = {2017},
  language  = {de}
}