@INPROCEEDINGS{varshavsky2008calibree,
  author    = "Alex Varshavsky and Denis Pankratov and John Krumm and Eyal de Lara",
  title     = "Calibree: Calibration-free Localization using Relative Distance Estimations",
  booktitle = "Proceedings of the Sixth International Conference on Pervasive Computing (Pervasive 2008)",
  month     = "May",
  year      = {2008}
}