@inproceedings{ward2017detecting,
  title={Detecting physical collaborations in a group task using body-worn microphones and accelerometers},
  author={Ward, Jamie A and Pirkl, Gerald and Hevesi, Peter and Lukowicz, Paul},
  booktitle={Pervasive Computing and Communications Workshops (PerCom Workshops), 2017 IEEE International Conference on},
  pages={268--273},
  year={2017},
  organization={IEEE}
}