@article{sapiezynski2017inferring,
  title={Inferring person-to-person proximity using WiFi signals},
  author={Sapiezynski, Piotr and Stopczynski, Arkadiusz and Wind, David Kofoed and Leskovec, Jure and Lehmann, Sune},
  journal={Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies},
  volume={1},
  number={2},
  pages={24},
  year={2017},
  publisher={ACM}
}