@inproceedings{GebhardtRitzSiekmannetal.2014,
  author    = {Gebhardt, Andreas and Ritz, Thomas and Siekmann, Kirsten and Wallenborn, Ramona},
  title     = {Additive manufacturing businesses in the process chain of individualized mass products},
  series = {DDMC 2014 : Proceedings of the Fraunhofer Direct Digital Manufacturing Conference},
  booktitle = {DDMC 2014 : Proceedings of the Fraunhofer Direct Digital Manufacturing Conference},
  editor    = {Demmer, Axel},
  publisher = {Fraunhofer},
  address   = {Stuttgart},
  isbn      = {978-3-8396-9128-1 (E-Book)},
  year      = {2014},
  language  = {en}
}
@inproceedings{RitzWallenborn2013,
  author    = {Ritz, Thomas and Wallenborn, Ramona},
  title     = {HMI mobiler Apps zur Organisation multimodaler Mobilit{\"a}t},
  series = {Mensch \& Computer 2013 - Workshopband : 13. fach{\"u}bergreifende Konferenz f{\"u}r interaktive und kooperative Medien},
  booktitle = {Mensch \& Computer 2013 - Workshopband : 13. fach{\"u}bergreifende Konferenz f{\"u}r interaktive und kooperative Medien},
  editor    = {Boll-Westermann, Susanne},
  publisher = {Oldenbourg},
  address   = {M{\"u}nchen},
  isbn      = {978-3-486-77855-7 (Print)},
  doi       = {10.1524/9783486781236},
  pages     = {103 -- 109},
  year      = {2013},
  language  = {de}
}
@inproceedings{RitzTerhaarWallenborn2012,
  author    = {Ritz, Thomas and Terhaar, Kristin and Wallenborn, Ramona},
  title     = {HMI f{\"u}r eCarSharing : ein Baustein f{\"u}r nachhaltige Mobilit{\"a}t},
  series = {Mensch \& Computer 2012 - Workshopband : 12. Fach{\"u}bergreifende Konferenz f{\"u}r interaktive und kooperative Medien ; interaktiv informiert - allgegenw{\"a}rtig und allumfassend!?},
  booktitle = {Mensch \& Computer 2012 - Workshopband : 12. Fach{\"u}bergreifende Konferenz f{\"u}r interaktive und kooperative Medien ; interaktiv informiert - allgegenw{\"a}rtig und allumfassend!?},
  editor    = {Reiterer, Harald},
  publisher = {Oldenbourg},
  address   = {M{\"u}nchen},
  isbn      = {978-3-486-71990-1 (Print)},
  doi       = {10.1524/9783486719918.341},
  pages     = {381 -- 388},
  year      = {2012},
  language  = {de}
}
@inproceedings{RahierRitzWallenborn2011,
  author    = {Rahier, Michael and Ritz, Thomas and Wallenborn, Ramona},
  title     = {Ortsbezogene Anwendungen und Dienste im eCarSharing},
  series = {8. GI-ITG-KuVS-Fachgespr{\"a}ch Ortsbezogene Anwendungen und Dienste},
  booktitle = {8. GI-ITG-KuVS-Fachgespr{\"a}ch Ortsbezogene Anwendungen und Dienste},
  publisher = {Logos-Verl.},
  address   = {Berlin},
  isbn      = {978-3-8325-3041-9},
  pages     = {61 -- 74},
  year      = {2011},
  language  = {de}
}