9Gu Shanqiang, Chen Weijiang, He Jinliang. Development of surge arresters with series gaps against lightning breakage of covered conductors on distribution lines[J]. IEEE Transactions on Power Delivery, 2007, 22(4) : 2191-2198.
10He Jinliang, Gu Shanqiang, Chen Shuiming, et al. Discussion on measures against lightning breakage of covered conductors on distribution lines[J]. IEEE Transactions on Power Delivery, 2008, 23(2): 693-702.