18730 Schedule (Will change!)

@article{Chaum81,
  author =       {David L. Chaum},
  title =        {Untraceable electronic main, return addresses, and digital pseudonyms},
  journal =      {Communications of the ACM},
  volume =       24,
  issue =        2,
  year =         1981,
  doi =          {10.1145/358549.358563},
}