@article{poovendran2007gtf,
  title={{A graph theoretic framework for preventing the wormhole attack in wireless ad hoc networks}},
  author={Poovendran, R. and Lazos, L.},
  journal={Wireless Networks},
  volume={13},
  number={1},
  pages={27--59},
  year={2007},
  publisher={Springer}
}