@article{zhang2019identifying,
  title={Identifying WeChat message types without using traditional traffic},
  author={Zhang, Qiang and Xu, Ming and Zheng, Ning and Qiao, Tong and Wang, Yaru},
  journal={Information},
  volume={11},
  number={1},
  pages={18},
  year={2019},
  publisher={MDPI}
}