@article{stefan:2011:robust,
  author    = {Deian Stefan and Xiaokui Shu and Danfeng (Daphne) Yao},
  title     = {Robustness of keystroke-dynamics based biometrics against synthetic forgeries},
  journal   = {Computers \& Security},
  volume    = {31},
  number    = {1},
  year      = {2012},
  publisher = {Elsevier},
}