@inproceedings{kumar2019improve,
  title={How to Improve the Interaction Design of NFC Payment Terminals?},
  author={Kumar, Poornigha Santhana and Bechinie, Michael and Tscheligi, Manfred},
  booktitle={IFIP Conference on Human-Computer Interaction},
  pages={55--68},
  year={2019},
  organization={Springer}
}