@article{1146,
  author = {Sandra Céspedes and Sanaa Taha and Xuemin Shen},
  title = {A multihop-authenticated proxy mobile IP scheme for asymmetric VANETs},
  year = {2013},
  journal = {IEEE Transactions on Vehicular Technology},
  volume = {62},
  number = {7},
  pages = {3271-3286},
  publisher = {IEEE},
}