Detection and Diagnosis of Defect in GIS Based on X-ray Digital Imaging Technology †. - Li, Tianhui; Pang, Xianhai; Jia, Boyan; Xia, Yanwei; Zeng, Siming; Liu, Hongliang; Tian, Hao; Lin, Fen; Wang, Dan (Energies (19961073), 2020)