@inproceedings{1499,
  author = {Yuanguo Bi and Hai Zhao and Xuemin Shen},
  title = {A directional broadcast protocol for emergency message exchange in inter-vehicle communications},
  year = {2009},
  journal = {Communications, 2009. ICC 09. IEEE International Conference on},
  pages = {1-5},
  publisher = {IEEE},
}