@inproceedings{1714,
  author = {Bin Lin and Pin-Han Ho and Liang-Liang Xie and Xuemin Shen},
  title = {Optimal relay station placement in IEEE 802.16 j networks},
  year = {2007},
  journal = {Proceedings of the 2007 international conference on Wireless communications and mobile computing},
  pages = {25-30},
  publisher = {ACM},
}