@INPROCEEDINGS{smith2005algorithms,
  author    = "Ian Smith and Mike Chen and Alex Varshavsky and Timothy Sohn and Karen Tang",
  title     = "Algorithms for Detecting Motion of a GSM Mobile Phone",
  booktitle = "Proceedings of the ECSCW Workshop on Location Awareness and Community",
  month     = "September",
  year      = {2005}
}