@article{Zhang_2020,
title={Your Smart Speaker Can “Hear” Your Heartbeat!},
volume={4},
ISSN={2474-9567},
url={http://dx.doi.org/10.1145/3432237},
DOI={10.1145/3432237},
number={4},
journal={Proceedings of the ACM on Interactive,
Mobile,
Wearable and Ubiquitous Technologies},
publisher={Association for Computing Machinery (ACM)},
author={Zhang,
Fusang and Wang,
Zhi and Jin,
Beihong and Xiong,
Jie and Zhang,
Daqing},
year={2020},
month=dec,
pages={1–24} }