@article{ Chen07,
  author = {D. Chen and J. Deng and P. K. Varshney},
  title = {Selection of a Forwarding Area for Contention-Based Geographic
Forwarding in Wireless Multi-hop Networks},
  journal = {IEEE Trans. on Vehicular Technology},
  volume = {56},
  number = {5},
  pages = {3111-3122},
  month = {September},
  year = {2007} }