@InProceedings{bauer+08:comparing,
  author =       {Lujo Bauer and Lorrie Cranor and Robert W. Reeder and Michael K. Reiter and Kami Vaniea},
  title =        {A user study of policy creation in a flexible access-control system},
  booktitle =    {{CHI} 2008: Conference on Human Factors in Computing Systems},
  month =        apr,
  year =         2008,
  pages =        {543--552},
  url =          {http://www.ece.cmu.edu/~lbauer/papers/2008/chi08-grey.pdf},
  copyright =    {ACM},
  doi =          {10.1145/1357054.1357143},
  publisher =    {ACM},
}