@inproceedings{FifieldTsai2016,
  author = {David Fifield and Lynn Tsai},
  title = {Censors' Delay in Blocking Circumvention Proxies},
  booktitle = {Free and Open Communications on the Internet},
  year = 2016,
  month = aug,
  address = {Austin, TX},
  url = {https://www.usenix.org/conference/foci16/workshop-program/presentation/fifield},
  publisher = {USENIX},
}