@article{1513,
  author = {Javad Ghaderi and Liang-Liang Xie and Xuemin Shen},
  title = {Hierarchical cooperation in ad hoc networks: Optimal clustering and achievable throughput},
  year = {2009},
  journal = {IEEE Transactions on Information Theory},
  volume = {55},
  number = {8},
  pages = {3425-3436},
  publisher = {IEEE},
}