@inproceedings{1214,
  author = {Ning Zhang and Ning Lu and Rongxing Lu and Jon Mark and Xuemin Shen},
  title = {Energy-efficient and trust-aware cooperation in cognitive radio networks},
  year = {2012},
  journal = {Communications (ICC), 2012 IEEE International Conference on},
  pages = {1763-1767},
  publisher = {IEEE},
}