@InProceedings{reeder+08:grids,
  author =       {Robert W. Reeder and Lujo Bauer and Lorrie Cranor and Michael K. Reiter and Kelli Bacon and Keisha How and Heather Strong},
  title =        {Expandable grids for visualizing and authoring computer security policies},
  booktitle =    {{CHI} 2008: Conference on Human Factors in Computing Systems},
  month =        apr,
  year =         2008,
  pages =        {1473--1482},
  url =          {http://www.ece.cmu.edu/~lbauer/papers/2008/chi08-grids.pdf},
  doi =          {10.1145/1357054.1357285},
  copyright =    {ACM},
  publisher =    {ACM},
}