%0 Journal Article %A Ke Wang %A Rongxin Yin %A Liangzhong Yao %A Jianguo Yao %A Taiyou Yong %A Nicholas DeForest %B IEEE Transactions on Smart Grid %D 2018 %G eng %N 4 %P 3616 - 3627 %R 10.1109/TSG.2016.2636873 %T A Two-Layer Framework for Quantifying Demand Response Flexibility at Bulk Supply Points %V 9 %8 12/2016 %! IEEE Trans. Smart Grid