@inproceedings{gao2019negative,
  title={Negative Results on Mining Crypto-API Usage Rules in Android Apps},
  author={Gao, Jun and Kong, Pingfan and Li, Li and Bissyand{\'e}, Tegawend{\'e} F and Klein, Jacques},
  booktitle={The 16th International Conference on Mining Software Repositories (MSR 2019)},
  year={2019}
}