@article{xu:getmobile2021a,
  title={FerroTag: When Inkables Meet Wireless Signals},
  author={Li, Zhengxiong and Chen, Baicheng and Wang, Kun and Xu, Wenyao},
  journal={GetMobile: Mobile Computing and Communications},
  volume={24},
  number={3},
  pages={35--38},
  year={2021},
  publisher={ACM New York, NY, USA}
}