@ARTICLE{9582731,
  author={Huang, Yongzhi and Chen, Kaixin and Huang, Yandao and Wang, Lu and Wu, Kaishun},
  journal={IEEE Transactions on Mobile Computing}, 
  title={A Portable and Convenient System for Unknown Liquid Identification with Smartphone Vibration}, 
  year={2021},
  volume={},
  number={},
  pages={1-1},
  doi={10.1109/TMC.2021.3121332}}