@article{becker11onecity,
  author    = "Richard A. Becker and Ramon Caceres and Karrie Hanson and Ji Meng Loh and Simon Urbanek and Alexander Varshavsky and Chris Volinsky",
  title     = "{A Tale of One City: Using Cellular Network Data for Urban Planning}",
  month     = "October-December",
  year      = {2011},
  volume = 10,
  number = 4,
  journal = "{IEEE Pervasive Computing, special issue on Large-Scale Opportunistic Sensing}"
}