@misc{HeelHerrmannSchlichting2021,
  author    = {Michael Heel and Dennis Herrmann and Katja Schlichting},
  title     = {Apparatus and Method for Producing three-dimensional Objects},
  url       = {https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf\&firstdoc=1\&docid=US020210178676A1},
  institution = {Elektronik und Informatik},
  year      = {2021}
}