@inproceedings{tacitsocialcontractsforwheelchairs,
  title = {Tacit Social Contracts for Wheelchairs},
  author = {Daniel Couto Vale and Vivien Mast},
  year = {2013},
  booktitle = {WS 2013 8},
  url = {https://aclanthology.org/W13-4044},
}