@ARTICLE{5771586, author={Yang, Zhenyu and Yu, Shucheng and Lou, Wenjing and Liu, Cong}, journal={IEEE Transactions on Smart Grid}, title={$P^{2}$ : Privacy-Preserving Communication and Precise Reward Architecture for V2G Networks in Smart Grid}, year={2011}, volume={2}, number={4}, pages={697-706}, doi={10.1109/TSG.2011.2140343}}